Home / 761,127.92-1,050,391.14-421,596.14

Finding the Fourth Proportional to 761,127.92, 1,050,391.14 and 421,596.14

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Solution

The fourth proportional to 761,127.92, 1,050,391.14 and 421,596.14 is: 581,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,127.92 : 1,050,391.14 = 421,596.14 : x
  2. Step 2: Convert to fraction form
    761,127.92/1,050,391.14 = 421,596.14/x
  3. Step 3: Cross multiply
    761,127.92x = 1,050,391.14 × 421,596.14
  4. Step 4: Simplify right side
    761,127.92x = 442,840,850,114.20
  5. Step 5: Solve for x
    x = 442,840,850,114.20/761,127.92
  6. Step 6: Final answer
    x = 581,821.84

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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.