Home / 824,948.55-1,138,410.05-480,762.54

Finding the Fourth Proportional to 824,948.55, 1,138,410.05 and 480,762.54

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Solution

The fourth proportional to 824,948.55, 1,138,410.05 and 480,762.54 is: 663,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,948.55 : 1,138,410.05 = 480,762.54 : x
  2. Step 2: Convert to fraction form
    824,948.55/1,138,410.05 = 480,762.54/x
  3. Step 3: Cross multiply
    824,948.55x = 1,138,410.05 × 480,762.54
  4. Step 4: Simplify right side
    824,948.55x = 547,304,904,795.71
  5. Step 5: Solve for x
    x = 547,304,904,795.71/824,948.55
  6. Step 6: Final answer
    x = 663,441.26

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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.