Home / 1,385,597.55-1,913,024.35-1,240,151.46

Finding the Fourth Proportional to 1,385,597.55, 1,913,024.35 and 1,240,151.46

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Solution

The fourth proportional to 1,385,597.55, 1,913,024.35 and 1,240,151.46 is: 1,712,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,597.55 : 1,913,024.35 = 1,240,151.46 : x
  2. Step 2: Convert to fraction form
    1,385,597.55/1,913,024.35 = 1,240,151.46/x
  3. Step 3: Cross multiply
    1,385,597.55x = 1,913,024.35 × 1,240,151.46
  4. Step 4: Simplify right side
    1,385,597.55x = 2,372,439,940,668.05
  5. Step 5: Solve for x
    x = 2,372,439,940,668.05/1,385,597.55
  6. Step 6: Final answer
    x = 1,712,214.30

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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.