Home / 571,023.20-856,534.80-549,250.40

Finding the Fourth Proportional to 571,023.20, 856,534.80 and 549,250.40

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Solution

The fourth proportional to 571,023.20, 856,534.80 and 549,250.40 is: 823,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,023.20 : 856,534.80 = 549,250.40 : x
  2. Step 2: Convert to fraction form
    571,023.20/856,534.80 = 549,250.40/x
  3. Step 3: Cross multiply
    571,023.20x = 856,534.80 × 549,250.40
  4. Step 4: Simplify right side
    571,023.20x = 470,452,081,513.92
  5. Step 5: Solve for x
    x = 470,452,081,513.92/571,023.20
  6. Step 6: Final answer
    x = 823,875.60

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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.