Home / 1,294,607.80-1,941,911.70-1,157,750.20

Finding the Fourth Proportional to 1,294,607.80, 1,941,911.70 and 1,157,750.20

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Solution

The fourth proportional to 1,294,607.80, 1,941,911.70 and 1,157,750.20 is: 1,736,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,607.80 : 1,941,911.70 = 1,157,750.20 : x
  2. Step 2: Convert to fraction form
    1,294,607.80/1,941,911.70 = 1,157,750.20/x
  3. Step 3: Cross multiply
    1,294,607.80x = 1,941,911.70 × 1,157,750.20
  4. Step 4: Simplify right side
    1,294,607.80x = 2,248,248,659,057.34
  5. Step 5: Solve for x
    x = 2,248,248,659,057.34/1,294,607.80
  6. Step 6: Final answer
    x = 1,736,625.30

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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.