Home / 906,527.57-1,251,031.64-498,639.92

Finding the Fourth Proportional to 906,527.57, 1,251,031.64 and 498,639.92

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Solution

The fourth proportional to 906,527.57, 1,251,031.64 and 498,639.92 is: 688,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,527.57 : 1,251,031.64 = 498,639.92 : x
  2. Step 2: Convert to fraction form
    906,527.57/1,251,031.64 = 498,639.92/x
  3. Step 3: Cross multiply
    906,527.57x = 1,251,031.64 × 498,639.92
  4. Step 4: Simplify right side
    906,527.57x = 623,814,308,138.71
  5. Step 5: Solve for x
    x = 623,814,308,138.71/906,527.57
  6. Step 6: Final answer
    x = 688,136.06

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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.