Home / 1,223,265.24-1,688,084.64-679,380.24

Finding the Fourth Proportional to 1,223,265.24, 1,688,084.64 and 679,380.24

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Solution

The fourth proportional to 1,223,265.24, 1,688,084.64 and 679,380.24 is: 937,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,265.24 : 1,688,084.64 = 679,380.24 : x
  2. Step 2: Convert to fraction form
    1,223,265.24/1,688,084.64 = 679,380.24/x
  3. Step 3: Cross multiply
    1,223,265.24x = 1,688,084.64 × 679,380.24
  4. Step 4: Simplify right side
    1,223,265.24x = 1,146,851,347,863.51
  5. Step 5: Solve for x
    x = 1,146,851,347,863.51/1,223,265.24
  6. Step 6: Final answer
    x = 937,532.85

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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.