Home / 1,329,411.60-1,993,728.60-476,384.40

Finding the Fourth Proportional to 1,329,411.60, 1,993,728.60 and 476,384.40

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Solution

The fourth proportional to 1,329,411.60, 1,993,728.60 and 476,384.40 is: 714,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,411.60 : 1,993,728.60 = 476,384.40 : x
  2. Step 2: Convert to fraction form
    1,329,411.60/1,993,728.60 = 476,384.40/x
  3. Step 3: Cross multiply
    1,329,411.60x = 1,993,728.60 × 476,384.40
  4. Step 4: Simplify right side
    1,329,411.60x = 949,781,202,873.84
  5. Step 5: Solve for x
    x = 949,781,202,873.84/1,329,411.60
  6. Step 6: Final answer
    x = 714,437.28

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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.