Home / 1,547,715.40-2,321,901.15-468,139.30

Finding the Fourth Proportional to 1,547,715.40, 2,321,901.15 and 468,139.30

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Solution

The fourth proportional to 1,547,715.40, 2,321,901.15 and 468,139.30 is: 702,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,715.40 : 2,321,901.15 = 468,139.30 : x
  2. Step 2: Convert to fraction form
    1,547,715.40/2,321,901.15 = 468,139.30/x
  3. Step 3: Cross multiply
    1,547,715.40x = 2,321,901.15 × 468,139.30
  4. Step 4: Simplify right side
    1,547,715.40x = 1,086,973,179,030.20
  5. Step 5: Solve for x
    x = 1,086,973,179,030.20/1,547,715.40
  6. Step 6: Final answer
    x = 702,308.18

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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.