Home / 761,044.20-1,050,183.19-421,505.16

Finding the Fourth Proportional to 761,044.20, 1,050,183.19 and 421,505.16

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Solution

The fourth proportional to 761,044.20, 1,050,183.19 and 421,505.16 is: 581,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,044.20 : 1,050,183.19 = 421,505.16 : x
  2. Step 2: Convert to fraction form
    761,044.20/1,050,183.19 = 421,505.16/x
  3. Step 3: Cross multiply
    761,044.20x = 1,050,183.19 × 421,505.16
  4. Step 4: Simplify right side
    761,044.20x = 442,657,633,530.26
  5. Step 5: Solve for x
    x = 442,657,633,530.26/761,044.20
  6. Step 6: Final answer
    x = 581,645.10

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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.