Home / 761,453.70-1,142,180.55-525,063.30

Finding the Fourth Proportional to 761,453.70, 1,142,180.55 and 525,063.30

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Solution

The fourth proportional to 761,453.70, 1,142,180.55 and 525,063.30 is: 787,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,453.70 : 1,142,180.55 = 525,063.30 : x
  2. Step 2: Convert to fraction form
    761,453.70/1,142,180.55 = 525,063.30/x
  3. Step 3: Cross multiply
    761,453.70x = 1,142,180.55 × 525,063.30
  4. Step 4: Simplify right side
    761,453.70x = 599,717,088,778.82
  5. Step 5: Solve for x
    x = 599,717,088,778.82/761,453.70
  6. Step 6: Final answer
    x = 787,594.95

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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.