Home / 1,142,948.50-1,577,271.15-633,650.87

Finding the Fourth Proportional to 1,142,948.50, 1,577,271.15 and 633,650.87

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Solution

The fourth proportional to 1,142,948.50, 1,577,271.15 and 633,650.87 is: 874,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,948.50 : 1,577,271.15 = 633,650.87 : x
  2. Step 2: Convert to fraction form
    1,142,948.50/1,577,271.15 = 633,650.87/x
  3. Step 3: Cross multiply
    1,142,948.50x = 1,577,271.15 × 633,650.87
  4. Step 4: Simplify right side
    1,142,948.50x = 999,439,240,366.58
  5. Step 5: Solve for x
    x = 999,439,240,366.58/1,142,948.50
  6. Step 6: Final answer
    x = 874,439.44

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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.