Home / 572,726.10-859,089.15-480,105.30

Finding the Fourth Proportional to 572,726.10, 859,089.15 and 480,105.30

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Solution

The fourth proportional to 572,726.10, 859,089.15 and 480,105.30 is: 720,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,726.10 : 859,089.15 = 480,105.30 : x
  2. Step 2: Convert to fraction form
    572,726.10/859,089.15 = 480,105.30/x
  3. Step 3: Cross multiply
    572,726.10x = 859,089.15 × 480,105.30
  4. Step 4: Simplify right side
    572,726.10x = 412,453,254,087.50
  5. Step 5: Solve for x
    x = 412,453,254,087.50/572,726.10
  6. Step 6: Final answer
    x = 720,157.95

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Half scale
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Double scale
Find fourth proportional to 572,727.10, 859,090.65 and 480,106.30
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.