Home / 1,185,555.93-1,778,338.45-286,996.23

Finding the Fourth Proportional to 1,185,555.93, 1,778,338.45 and 286,996.23

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Solution

The fourth proportional to 1,185,555.93, 1,778,338.45 and 286,996.23 is: 430,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,555.93 : 1,778,338.45 = 286,996.23 : x
  2. Step 2: Convert to fraction form
    1,185,555.93/1,778,338.45 = 286,996.23/x
  3. Step 3: Cross multiply
    1,185,555.93x = 1,778,338.45 × 286,996.23
  4. Step 4: Simplify right side
    1,185,555.93x = 510,376,430,814.04
  5. Step 5: Solve for x
    x = 510,376,430,814.04/1,185,555.93
  6. Step 6: Final answer
    x = 430,495.45

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Double scale
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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.