Home / 992,621.79-1,369,939.68-584,702.55

Finding the Fourth Proportional to 992,621.79, 1,369,939.68 and 584,702.55

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Solution

The fourth proportional to 992,621.79, 1,369,939.68 and 584,702.55 is: 806,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,621.79 : 1,369,939.68 = 584,702.55 : x
  2. Step 2: Convert to fraction form
    992,621.79/1,369,939.68 = 584,702.55/x
  3. Step 3: Cross multiply
    992,621.79x = 1,369,939.68 × 584,702.55
  4. Step 4: Simplify right side
    992,621.79x = 801,007,224,242.18
  5. Step 5: Solve for x
    x = 801,007,224,242.18/992,621.79
  6. Step 6: Final answer
    x = 806,961.15

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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.