Home / 992,639.52-1,370,085.84-563,171.04

Finding the Fourth Proportional to 992,639.52, 1,370,085.84 and 563,171.04

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Solution

The fourth proportional to 992,639.52, 1,370,085.84 and 563,171.04 is: 777,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,639.52 : 1,370,085.84 = 563,171.04 : x
  2. Step 2: Convert to fraction form
    992,639.52/1,370,085.84 = 563,171.04/x
  3. Step 3: Cross multiply
    992,639.52x = 1,370,085.84 × 563,171.04
  4. Step 4: Simplify right side
    992,639.52x = 771,592,667,402.07
  5. Step 5: Solve for x
    x = 771,592,667,402.07/992,639.52
  6. Step 6: Final answer
    x = 777,314.07

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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.