Home / 724,990.60-1,000,766.02-483,184.94

Finding the Fourth Proportional to 724,990.60, 1,000,766.02 and 483,184.94

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Solution

The fourth proportional to 724,990.60, 1,000,766.02 and 483,184.94 is: 666,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,990.60 : 1,000,766.02 = 483,184.94 : x
  2. Step 2: Convert to fraction form
    724,990.60/1,000,766.02 = 483,184.94/x
  3. Step 3: Cross multiply
    724,990.60x = 1,000,766.02 × 483,184.94
  4. Step 4: Simplify right side
    724,990.60x = 483,555,069,327.74
  5. Step 5: Solve for x
    x = 483,555,069,327.74/724,990.60
  6. Step 6: Final answer
    x = 666,981.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.