Home / 906,618.04-1,251,156.24-498,730.36

Finding the Fourth Proportional to 906,618.04, 1,251,156.24 and 498,730.36

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Solution

The fourth proportional to 906,618.04, 1,251,156.24 and 498,730.36 is: 688,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,618.04 : 1,251,156.24 = 498,730.36 : x
  2. Step 2: Convert to fraction form
    906,618.04/1,251,156.24 = 498,730.36/x
  3. Step 3: Cross multiply
    906,618.04x = 1,251,156.24 × 498,730.36
  4. Step 4: Simplify right side
    906,618.04x = 623,989,601,991.45
  5. Step 5: Solve for x
    x = 623,989,601,991.45/906,618.04
  6. Step 6: Final answer
    x = 688,260.74

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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.