Home / 1,174,462.40-1,761,693.60-426,411.20

Finding the Fourth Proportional to 1,174,462.40, 1,761,693.60 and 426,411.20

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Solution

The fourth proportional to 1,174,462.40, 1,761,693.60 and 426,411.20 is: 639,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,462.40 : 1,761,693.60 = 426,411.20 : x
  2. Step 2: Convert to fraction form
    1,174,462.40/1,761,693.60 = 426,411.20/x
  3. Step 3: Cross multiply
    1,174,462.40x = 1,761,693.60 × 426,411.20
  4. Step 4: Simplify right side
    1,174,462.40x = 751,205,882,008.32
  5. Step 5: Solve for x
    x = 751,205,882,008.32/1,174,462.40
  6. Step 6: Final answer
    x = 639,616.80

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Double scale
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Similar ratio
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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.