Home / 904,018.12-1,247,462.51-536,431.91

Finding the Fourth Proportional to 904,018.12, 1,247,462.51 and 536,431.91

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Solution

The fourth proportional to 904,018.12, 1,247,462.51 and 536,431.91 is: 740,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,018.12 : 1,247,462.51 = 536,431.91 : x
  2. Step 2: Convert to fraction form
    904,018.12/1,247,462.51 = 536,431.91/x
  3. Step 3: Cross multiply
    904,018.12x = 1,247,462.51 × 536,431.91
  4. Step 4: Simplify right side
    904,018.12x = 669,178,687,973.22
  5. Step 5: Solve for x
    x = 669,178,687,973.22/904,018.12
  6. Step 6: Final answer
    x = 740,227.08

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.