Home / 1,513,916.47-2,270,863.90-554,437.90

Finding the Fourth Proportional to 1,513,916.47, 2,270,863.90 and 554,437.90

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Solution

The fourth proportional to 1,513,916.47, 2,270,863.90 and 554,437.90 is: 831,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,916.47 : 2,270,863.90 = 554,437.90 : x
  2. Step 2: Convert to fraction form
    1,513,916.47/2,270,863.90 = 554,437.90/x
  3. Step 3: Cross multiply
    1,513,916.47x = 2,270,863.90 × 554,437.90
  4. Step 4: Simplify right side
    1,513,916.47x = 1,259,053,011,901.81
  5. Step 5: Solve for x
    x = 1,259,053,011,901.81/1,513,916.47
  6. Step 6: Final answer
    x = 831,652.89

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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.