Home / 1,728,498.64-2,385,328.32-954,129.76

Finding the Fourth Proportional to 1,728,498.64, 2,385,328.32 and 954,129.76

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Solution

The fourth proportional to 1,728,498.64, 2,385,328.32 and 954,129.76 is: 1,316,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,498.64 : 2,385,328.32 = 954,129.76 : x
  2. Step 2: Convert to fraction form
    1,728,498.64/2,385,328.32 = 954,129.76/x
  3. Step 3: Cross multiply
    1,728,498.64x = 2,385,328.32 × 954,129.76
  4. Step 4: Simplify right side
    1,728,498.64x = 2,275,912,737,482.80
  5. Step 5: Solve for x
    x = 2,275,912,737,482.80/1,728,498.64
  6. Step 6: Final answer
    x = 1,316,699.18

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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.