Home / 993,857.76-1,371,833.28-564,423.84

Finding the Fourth Proportional to 993,857.76, 1,371,833.28 and 564,423.84

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Solution

The fourth proportional to 993,857.76, 1,371,833.28 and 564,423.84 is: 779,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,857.76 : 1,371,833.28 = 564,423.84 : x
  2. Step 2: Convert to fraction form
    993,857.76/1,371,833.28 = 564,423.84/x
  3. Step 3: Cross multiply
    993,857.76x = 1,371,833.28 × 564,423.84
  4. Step 4: Simplify right side
    993,857.76x = 774,295,407,737.40
  5. Step 5: Solve for x
    x = 774,295,407,737.40/993,857.76
  6. Step 6: Final answer
    x = 779,080.71

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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.