Home / 585,023.20-877,534.80-545,657.20

Finding the Fourth Proportional to 585,023.20, 877,534.80 and 545,657.20

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Solution

The fourth proportional to 585,023.20, 877,534.80 and 545,657.20 is: 818,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,023.20 : 877,534.80 = 545,657.20 : x
  2. Step 2: Convert to fraction form
    585,023.20/877,534.80 = 545,657.20/x
  3. Step 3: Cross multiply
    585,023.20x = 877,534.80 × 545,657.20
  4. Step 4: Simplify right side
    585,023.20x = 478,833,181,870.56
  5. Step 5: Solve for x
    x = 478,833,181,870.56/585,023.20
  6. Step 6: Final answer
    x = 818,485.80

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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.