Home / 623,717.29-860,533.38-381,747.61

Finding the Fourth Proportional to 623,717.29, 860,533.38 and 381,747.61

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Solution

The fourth proportional to 623,717.29, 860,533.38 and 381,747.61 is: 526,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,717.29 : 860,533.38 = 381,747.61 : x
  2. Step 2: Convert to fraction form
    623,717.29/860,533.38 = 381,747.61/x
  3. Step 3: Cross multiply
    623,717.29x = 860,533.38 × 381,747.61
  4. Step 4: Simplify right side
    623,717.29x = 328,506,561,140.22
  5. Step 5: Solve for x
    x = 328,506,561,140.22/623,717.29
  6. Step 6: Final answer
    x = 526,691.45

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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.