Home / 1,185,554.93-1,778,336.95-286,995.23

Finding the Fourth Proportional to 1,185,554.93, 1,778,336.95 and 286,995.23

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Solution

The fourth proportional to 1,185,554.93, 1,778,336.95 and 286,995.23 is: 430,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,554.93 : 1,778,336.95 = 286,995.23 : x
  2. Step 2: Convert to fraction form
    1,185,554.93/1,778,336.95 = 286,995.23/x
  3. Step 3: Cross multiply
    1,185,554.93x = 1,778,336.95 × 286,995.23
  4. Step 4: Simplify right side
    1,185,554.93x = 510,374,215,386.06
  5. Step 5: Solve for x
    x = 510,374,215,386.06/1,185,554.93
  6. Step 6: Final answer
    x = 430,493.94

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.