Home / 761,119.92-1,050,380.10-421,588.14

Finding the Fourth Proportional to 761,119.92, 1,050,380.10 and 421,588.14

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Solution

The fourth proportional to 761,119.92, 1,050,380.10 and 421,588.14 is: 581,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,119.92 : 1,050,380.10 = 421,588.14 : x
  2. Step 2: Convert to fraction form
    761,119.92/1,050,380.10 = 421,588.14/x
  3. Step 3: Cross multiply
    761,119.92x = 1,050,380.10 × 421,588.14
  4. Step 4: Simplify right side
    761,119.92x = 442,827,792,652.01
  5. Step 5: Solve for x
    x = 442,827,792,652.01/761,119.92
  6. Step 6: Final answer
    x = 581,810.80

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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.