Home / 1,386,756.47-1,913,687.18-774,914.24

Finding the Fourth Proportional to 1,386,756.47, 1,913,687.18 and 774,914.24

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Solution

The fourth proportional to 1,386,756.47, 1,913,687.18 and 774,914.24 is: 1,069,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,756.47 : 1,913,687.18 = 774,914.24 : x
  2. Step 2: Convert to fraction form
    1,386,756.47/1,913,687.18 = 774,914.24/x
  3. Step 3: Cross multiply
    1,386,756.47x = 1,913,687.18 × 774,914.24
  4. Step 4: Simplify right side
    1,386,756.47x = 1,482,943,454,861.91
  5. Step 5: Solve for x
    x = 1,482,943,454,861.91/1,386,756.47
  6. Step 6: Final answer
    x = 1,069,361.12

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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.