Home / 761,440.11-1,050,788.58-417,221.34

Finding the Fourth Proportional to 761,440.11, 1,050,788.58 and 417,221.34

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Solution

The fourth proportional to 761,440.11, 1,050,788.58 and 417,221.34 is: 575,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,440.11 : 1,050,788.58 = 417,221.34 : x
  2. Step 2: Convert to fraction form
    761,440.11/1,050,788.58 = 417,221.34/x
  3. Step 3: Cross multiply
    761,440.11x = 1,050,788.58 × 417,221.34
  4. Step 4: Simplify right side
    761,440.11x = 438,411,419,404.30
  5. Step 5: Solve for x
    x = 438,411,419,404.30/761,440.11
  6. Step 6: Final answer
    x = 575,766.12

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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.