Home / 668,057.80-1,002,086.70-585,113.80

Finding the Fourth Proportional to 668,057.80, 1,002,086.70 and 585,113.80

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Solution

The fourth proportional to 668,057.80, 1,002,086.70 and 585,113.80 is: 877,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,057.80 : 1,002,086.70 = 585,113.80 : x
  2. Step 2: Convert to fraction form
    668,057.80/1,002,086.70 = 585,113.80/x
  3. Step 3: Cross multiply
    668,057.80x = 1,002,086.70 × 585,113.80
  4. Step 4: Simplify right side
    668,057.80x = 586,334,756,966.46
  5. Step 5: Solve for x
    x = 586,334,756,966.46/668,057.80
  6. Step 6: Final answer
    x = 877,670.70

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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.