Home / 1,195,188.52-1,649,312.16-651,312.72

Finding the Fourth Proportional to 1,195,188.52, 1,649,312.16 and 651,312.72

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Solution

The fourth proportional to 1,195,188.52, 1,649,312.16 and 651,312.72 is: 898,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,188.52 : 1,649,312.16 = 651,312.72 : x
  2. Step 2: Convert to fraction form
    1,195,188.52/1,649,312.16 = 651,312.72/x
  3. Step 3: Cross multiply
    1,195,188.52x = 1,649,312.16 × 651,312.72
  4. Step 4: Simplify right side
    1,195,188.52x = 1,074,217,989,058.68
  5. Step 5: Solve for x
    x = 1,074,217,989,058.68/1,195,188.52
  6. Step 6: Final answer
    x = 898,785.40

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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.