Home / 983,572.47-1,357,293.51-547,979.58

Finding the Fourth Proportional to 983,572.47, 1,357,293.51 and 547,979.58

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Solution

The fourth proportional to 983,572.47, 1,357,293.51 and 547,979.58 is: 756,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,572.47 : 1,357,293.51 = 547,979.58 : x
  2. Step 2: Convert to fraction form
    983,572.47/1,357,293.51 = 547,979.58/x
  3. Step 3: Cross multiply
    983,572.47x = 1,357,293.51 × 547,979.58
  4. Step 4: Simplify right side
    983,572.47x = 743,769,127,546.53
  5. Step 5: Solve for x
    x = 743,769,127,546.53/983,572.47
  6. Step 6: Final answer
    x = 756,191.49

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1.5x scale

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.