Home / 1,207,744.95-1,666,691.50-691,506.77

Finding the Fourth Proportional to 1,207,744.95, 1,666,691.50 and 691,506.77

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Solution

The fourth proportional to 1,207,744.95, 1,666,691.50 and 691,506.77 is: 954,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,744.95 : 1,666,691.50 = 691,506.77 : x
  2. Step 2: Convert to fraction form
    1,207,744.95/1,666,691.50 = 691,506.77/x
  3. Step 3: Cross multiply
    1,207,744.95x = 1,666,691.50 × 691,506.77
  4. Step 4: Simplify right side
    1,207,744.95x = 1,152,528,443,960.46
  5. Step 5: Solve for x
    x = 1,152,528,443,960.46/1,207,744.95
  6. Step 6: Final answer
    x = 954,281.32

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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.