Home / 772,703.40-1,159,055.10-204,083.40

Finding the Fourth Proportional to 772,703.40, 1,159,055.10 and 204,083.40

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Solution

The fourth proportional to 772,703.40, 1,159,055.10 and 204,083.40 is: 306,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,703.40 : 1,159,055.10 = 204,083.40 : x
  2. Step 2: Convert to fraction form
    772,703.40/1,159,055.10 = 204,083.40/x
  3. Step 3: Cross multiply
    772,703.40x = 1,159,055.10 × 204,083.40
  4. Step 4: Simplify right side
    772,703.40x = 236,543,905,595.34
  5. Step 5: Solve for x
    x = 236,543,905,595.34/772,703.40
  6. Step 6: Final answer
    x = 306,125.10

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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.