Home / 1,316,314.80-1,974,472.20-369,716.40

Finding the Fourth Proportional to 1,316,314.80, 1,974,472.20 and 369,716.40

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Solution

The fourth proportional to 1,316,314.80, 1,974,472.20 and 369,716.40 is: 554,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,314.80 : 1,974,472.20 = 369,716.40 : x
  2. Step 2: Convert to fraction form
    1,316,314.80/1,974,472.20 = 369,716.40/x
  3. Step 3: Cross multiply
    1,316,314.80x = 1,974,472.20 × 369,716.40
  4. Step 4: Simplify right side
    1,316,314.80x = 729,994,753,684.08
  5. Step 5: Solve for x
    x = 729,994,753,684.08/1,316,314.80
  6. Step 6: Final answer
    x = 554,574.60

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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.