Home / 730,119.74-1,007,585.69-403,453.85

Finding the Fourth Proportional to 730,119.74, 1,007,585.69 and 403,453.85

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Solution

The fourth proportional to 730,119.74, 1,007,585.69 and 403,453.85 is: 556,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,119.74 : 1,007,585.69 = 403,453.85 : x
  2. Step 2: Convert to fraction form
    730,119.74/1,007,585.69 = 403,453.85/x
  3. Step 3: Cross multiply
    730,119.74x = 1,007,585.69 × 403,453.85
  4. Step 4: Simplify right side
    730,119.74x = 406,514,318,780.21
  5. Step 5: Solve for x
    x = 406,514,318,780.21/730,119.74
  6. Step 6: Final answer
    x = 556,777.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.