Home / 1,547,710.17-2,135,840.03-868,646.67

Finding the Fourth Proportional to 1,547,710.17, 2,135,840.03 and 868,646.67

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Solution

The fourth proportional to 1,547,710.17, 2,135,840.03 and 868,646.67 is: 1,198,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,710.17 : 2,135,840.03 = 868,646.67 : x
  2. Step 2: Convert to fraction form
    1,547,710.17/2,135,840.03 = 868,646.67/x
  3. Step 3: Cross multiply
    1,547,710.17x = 2,135,840.03 × 868,646.67
  4. Step 4: Simplify right side
    1,547,710.17x = 1,855,290,329,712.20
  5. Step 5: Solve for x
    x = 1,855,290,329,712.20/1,547,710.17
  6. Step 6: Final answer
    x = 1,198,732.40

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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.