Home / 824,740.08-1,138,211.10-462,159.78

Finding the Fourth Proportional to 824,740.08, 1,138,211.10 and 462,159.78

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Solution

The fourth proportional to 824,740.08, 1,138,211.10 and 462,159.78 is: 637,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,740.08 : 1,138,211.10 = 462,159.78 : x
  2. Step 2: Convert to fraction form
    824,740.08/1,138,211.10 = 462,159.78/x
  3. Step 3: Cross multiply
    824,740.08x = 1,138,211.10 × 462,159.78
  4. Step 4: Simplify right side
    824,740.08x = 526,035,391,569.56
  5. Step 5: Solve for x
    x = 526,035,391,569.56/824,740.08
  6. Step 6: Final answer
    x = 637,819.60

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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.