Home / 749,385.76-1,123,291.20-465,075.68

Finding the Fourth Proportional to 749,385.76, 1,123,291.20 and 465,075.68

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Solution

The fourth proportional to 749,385.76, 1,123,291.20 and 465,075.68 is: 697,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,385.76 : 1,123,291.20 = 465,075.68 : x
  2. Step 2: Convert to fraction form
    749,385.76/1,123,291.20 = 465,075.68/x
  3. Step 3: Cross multiply
    749,385.76x = 1,123,291.20 × 465,075.68
  4. Step 4: Simplify right side
    749,385.76x = 522,415,418,678.02
  5. Step 5: Solve for x
    x = 522,415,418,678.02/749,385.76
  6. Step 6: Final answer
    x = 697,124.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.