Home / 1,207,483.10-1,666,366.63-663,638.17

Finding the Fourth Proportional to 1,207,483.10, 1,666,366.63 and 663,638.17

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Solution

The fourth proportional to 1,207,483.10, 1,666,366.63 and 663,638.17 is: 915,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,483.10 : 1,666,366.63 = 663,638.17 : x
  2. Step 2: Convert to fraction form
    1,207,483.10/1,666,366.63 = 663,638.17/x
  3. Step 3: Cross multiply
    1,207,483.10x = 1,666,366.63 × 663,638.17
  4. Step 4: Simplify right side
    1,207,483.10x = 1,105,864,500,882.27
  5. Step 5: Solve for x
    x = 1,105,864,500,882.27/1,207,483.10
  6. Step 6: Final answer
    x = 915,842.63

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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.