Home / 539,011.40-808,614.30-223,500.20

Finding the Fourth Proportional to 539,011.40, 808,614.30 and 223,500.20

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Solution

The fourth proportional to 539,011.40, 808,614.30 and 223,500.20 is: 335,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,011.40 : 808,614.30 = 223,500.20 : x
  2. Step 2: Convert to fraction form
    539,011.40/808,614.30 = 223,500.20/x
  3. Step 3: Cross multiply
    539,011.40x = 808,614.30 × 223,500.20
  4. Step 4: Simplify right side
    539,011.40x = 180,725,457,772.86
  5. Step 5: Solve for x
    x = 180,725,457,772.86/539,011.40
  6. Step 6: Final answer
    x = 335,290.60

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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.