Home / 832,857.12-1,149,345.45-450,885.42

Finding the Fourth Proportional to 832,857.12, 1,149,345.45 and 450,885.42

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Solution

The fourth proportional to 832,857.12, 1,149,345.45 and 450,885.42 is: 622,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,857.12 : 1,149,345.45 = 450,885.42 : x
  2. Step 2: Convert to fraction form
    832,857.12/1,149,345.45 = 450,885.42/x
  3. Step 3: Cross multiply
    832,857.12x = 1,149,345.45 × 450,885.42
  4. Step 4: Simplify right side
    832,857.12x = 518,223,105,948.34
  5. Step 5: Solve for x
    x = 518,223,105,948.34/832,857.12
  6. Step 6: Final answer
    x = 622,223.30

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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.