Home / 945,885.02-1,305,349.08-516,192.90

Finding the Fourth Proportional to 945,885.02, 1,305,349.08 and 516,192.90

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Solution

The fourth proportional to 945,885.02, 1,305,349.08 and 516,192.90 is: 712,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,885.02 : 1,305,349.08 = 516,192.90 : x
  2. Step 2: Convert to fraction form
    945,885.02/1,305,349.08 = 516,192.90/x
  3. Step 3: Cross multiply
    945,885.02x = 1,305,349.08 × 516,192.90
  4. Step 4: Simplify right side
    945,885.02x = 673,811,927,117.53
  5. Step 5: Solve for x
    x = 673,811,927,117.53/945,885.02
  6. Step 6: Final answer
    x = 712,361.35

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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.