Home / 617,904.40-927,115.80-461,490.16

Finding the Fourth Proportional to 617,904.40, 927,115.80 and 461,490.16

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Solution

The fourth proportional to 617,904.40, 927,115.80 and 461,490.16 is: 692,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,904.40 : 927,115.80 = 461,490.16 : x
  2. Step 2: Convert to fraction form
    617,904.40/927,115.80 = 461,490.16/x
  3. Step 3: Cross multiply
    617,904.40x = 927,115.80 × 461,490.16
  4. Step 4: Simplify right side
    617,904.40x = 427,854,818,880.53
  5. Step 5: Solve for x
    x = 427,854,818,880.53/617,904.40
  6. Step 6: Final answer
    x = 692,428.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.