Home / 1,233,274.16-1,701,925.16-689,432.87

Finding the Fourth Proportional to 1,233,274.16, 1,701,925.16 and 689,432.87

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Solution

The fourth proportional to 1,233,274.16, 1,701,925.16 and 689,432.87 is: 951,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,274.16 : 1,701,925.16 = 689,432.87 : x
  2. Step 2: Convert to fraction form
    1,233,274.16/1,701,925.16 = 689,432.87/x
  3. Step 3: Cross multiply
    1,233,274.16x = 1,701,925.16 × 689,432.87
  4. Step 4: Simplify right side
    1,233,274.16x = 1,173,363,135,627.22
  5. Step 5: Solve for x
    x = 1,173,363,135,627.22/1,233,274.16
  6. Step 6: Final answer
    x = 951,421.17

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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.