Home / 1,207,484.10-1,666,368.01-663,639.17

Finding the Fourth Proportional to 1,207,484.10, 1,666,368.01 and 663,639.17

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Solution

The fourth proportional to 1,207,484.10, 1,666,368.01 and 663,639.17 is: 915,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,484.10 : 1,666,368.01 = 663,639.17 : x
  2. Step 2: Convert to fraction form
    1,207,484.10/1,666,368.01 = 663,639.17/x
  3. Step 3: Cross multiply
    1,207,484.10x = 1,666,368.01 × 663,639.17
  4. Step 4: Simplify right side
    1,207,484.10x = 1,105,867,083,070.95
  5. Step 5: Solve for x
    x = 1,105,867,083,070.95/1,207,484.10
  6. Step 6: Final answer
    x = 915,844.01

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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.