Home / 617,905.40-927,117.30-461,491.16

Finding the Fourth Proportional to 617,905.40, 927,117.30 and 461,491.16

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Solution

The fourth proportional to 617,905.40, 927,117.30 and 461,491.16 is: 692,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,905.40 : 927,117.30 = 461,491.16 : x
  2. Step 2: Convert to fraction form
    617,905.40/927,117.30 = 461,491.16/x
  3. Step 3: Cross multiply
    617,905.40x = 927,117.30 × 461,491.16
  4. Step 4: Simplify right side
    617,905.40x = 427,856,438,233.07
  5. Step 5: Solve for x
    x = 427,856,438,233.07/617,905.40
  6. Step 6: Final answer
    x = 692,430.33

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1.5x scale

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.