Home / 837,587.32-1,256,521.21-657,665.60

Finding the Fourth Proportional to 837,587.32, 1,256,521.21 and 657,665.60

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Solution

The fourth proportional to 837,587.32, 1,256,521.21 and 657,665.60 is: 986,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,587.32 : 1,256,521.21 = 657,665.60 : x
  2. Step 2: Convert to fraction form
    837,587.32/1,256,521.21 = 657,665.60/x
  3. Step 3: Cross multiply
    837,587.32x = 1,256,521.21 × 657,665.60
  4. Step 4: Simplify right side
    837,587.32x = 826,370,767,560.61
  5. Step 5: Solve for x
    x = 826,370,767,560.61/837,587.32
  6. Step 6: Final answer
    x = 986,608.50

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1.5x scale

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.