Home / 663,984.01-916,300.83-362,184.49

Finding the Fourth Proportional to 663,984.01, 916,300.83 and 362,184.49

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Solution

The fourth proportional to 663,984.01, 916,300.83 and 362,184.49 is: 499,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,984.01 : 916,300.83 = 362,184.49 : x
  2. Step 2: Convert to fraction form
    663,984.01/916,300.83 = 362,184.49/x
  3. Step 3: Cross multiply
    663,984.01x = 916,300.83 × 362,184.49
  4. Step 4: Simplify right side
    663,984.01x = 331,869,948,800.13
  5. Step 5: Solve for x
    x = 331,869,948,800.13/663,984.01
  6. Step 6: Final answer
    x = 499,816.18

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Double scale
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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.