Home / 992,333.12-1,486,787.70-543,377.12

Finding the Fourth Proportional to 992,333.12, 1,486,787.70 and 543,377.12

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Solution

The fourth proportional to 992,333.12, 1,486,787.70 and 543,377.12 is: 814,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,333.12 : 1,486,787.70 = 543,377.12 : x
  2. Step 2: Convert to fraction form
    992,333.12/1,486,787.70 = 543,377.12/x
  3. Step 3: Cross multiply
    992,333.12x = 1,486,787.70 × 543,377.12
  4. Step 4: Simplify right side
    992,333.12x = 807,886,418,477.42
  5. Step 5: Solve for x
    x = 807,886,418,477.42/992,333.12
  6. Step 6: Final answer
    x = 814,128.24

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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.