Home / 1,657,336.10-2,486,004.15-858,862.40

Finding the Fourth Proportional to 1,657,336.10, 2,486,004.15 and 858,862.40

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Solution

The fourth proportional to 1,657,336.10, 2,486,004.15 and 858,862.40 is: 1,288,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,336.10 : 2,486,004.15 = 858,862.40 : x
  2. Step 2: Convert to fraction form
    1,657,336.10/2,486,004.15 = 858,862.40/x
  3. Step 3: Cross multiply
    1,657,336.10x = 2,486,004.15 × 858,862.40
  4. Step 4: Simplify right side
    1,657,336.10x = 2,135,135,490,678.96
  5. Step 5: Solve for x
    x = 2,135,135,490,678.96/1,657,336.10
  6. Step 6: Final answer
    x = 1,288,293.60

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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.