Home / 928,549.40-1,280,853.91-583,839.01

Finding the Fourth Proportional to 928,549.40, 1,280,853.91 and 583,839.01

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Solution

The fourth proportional to 928,549.40, 1,280,853.91 and 583,839.01 is: 805,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,549.40 : 1,280,853.91 = 583,839.01 : x
  2. Step 2: Convert to fraction form
    928,549.40/1,280,853.91 = 583,839.01/x
  3. Step 3: Cross multiply
    928,549.40x = 1,280,853.91 × 583,839.01
  4. Step 4: Simplify right side
    928,549.40x = 747,812,484,702.30
  5. Step 5: Solve for x
    x = 747,812,484,702.30/928,549.40
  6. Step 6: Final answer
    x = 805,355.63

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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.