Home / 957,587.30-1,321,479.45-527,882.80

Finding the Fourth Proportional to 957,587.30, 1,321,479.45 and 527,882.80

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Solution

The fourth proportional to 957,587.30, 1,321,479.45 and 527,882.80 is: 728,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,587.30 : 1,321,479.45 = 527,882.80 : x
  2. Step 2: Convert to fraction form
    957,587.30/1,321,479.45 = 527,882.80/x
  3. Step 3: Cross multiply
    957,587.30x = 1,321,479.45 × 527,882.80
  4. Step 4: Simplify right side
    957,587.30x = 697,586,272,208.46
  5. Step 5: Solve for x
    x = 697,586,272,208.46/957,587.30
  6. Step 6: Final answer
    x = 728,483.21

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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.