Home / 591,946.80-887,191.20-402,406.80

Finding the Fourth Proportional to 591,946.80, 887,191.20 and 402,406.80

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Solution

The fourth proportional to 591,946.80, 887,191.20 and 402,406.80 is: 603,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,946.80 : 887,191.20 = 402,406.80 : x
  2. Step 2: Convert to fraction form
    591,946.80/887,191.20 = 402,406.80/x
  3. Step 3: Cross multiply
    591,946.80x = 887,191.20 × 402,406.80
  4. Step 4: Simplify right side
    591,946.80x = 357,011,771,780.16
  5. Step 5: Solve for x
    x = 357,011,771,780.16/591,946.80
  6. Step 6: Final answer
    x = 603,114.62

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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.