Home / 1,137,657.80-1,705,826.50-538,613.90

Finding the Fourth Proportional to 1,137,657.80, 1,705,826.50 and 538,613.90

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Solution

The fourth proportional to 1,137,657.80, 1,705,826.50 and 538,613.90 is: 807,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,657.80 : 1,705,826.50 = 538,613.90 : x
  2. Step 2: Convert to fraction form
    1,137,657.80/1,705,826.50 = 538,613.90/x
  3. Step 3: Cross multiply
    1,137,657.80x = 1,705,826.50 × 538,613.90
  4. Step 4: Simplify right side
    1,137,657.80x = 918,781,863,888.35
  5. Step 5: Solve for x
    x = 918,781,863,888.35/1,137,657.80
  6. Step 6: Final answer
    x = 807,608.28

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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.