Home / 498,037.61-687,222.58-283,153.93

Finding the Fourth Proportional to 498,037.61, 687,222.58 and 283,153.93

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Solution

The fourth proportional to 498,037.61, 687,222.58 and 283,153.93 is: 390,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,037.61 : 687,222.58 = 283,153.93 : x
  2. Step 2: Convert to fraction form
    498,037.61/687,222.58 = 283,153.93/x
  3. Step 3: Cross multiply
    498,037.61x = 687,222.58 × 283,153.93
  4. Step 4: Simplify right side
    498,037.61x = 194,589,769,459.86
  5. Step 5: Solve for x
    x = 194,589,769,459.86/498,037.61
  6. Step 6: Final answer
    x = 390,713.00

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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.