Home / 761,454.20-1,142,181.30-525,063.80

Finding the Fourth Proportional to 761,454.20, 1,142,181.30 and 525,063.80

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Solution

The fourth proportional to 761,454.20, 1,142,181.30 and 525,063.80 is: 787,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,454.20 : 1,142,181.30 = 525,063.80 : x
  2. Step 2: Convert to fraction form
    761,454.20/1,142,181.30 = 525,063.80/x
  3. Step 3: Cross multiply
    761,454.20x = 1,142,181.30 × 525,063.80
  4. Step 4: Simplify right side
    761,454.20x = 599,718,053,666.94
  5. Step 5: Solve for x
    x = 599,718,053,666.94/761,454.20
  6. Step 6: Final answer
    x = 787,595.70

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Double scale
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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.