Home / 1,712,816.80-2,565,737.34-811,526.56

Finding the Fourth Proportional to 1,712,816.80, 2,565,737.34 and 811,526.56

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Solution

The fourth proportional to 1,712,816.80, 2,565,737.34 and 811,526.56 is: 1,215,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,816.80 : 2,565,737.34 = 811,526.56 : x
  2. Step 2: Convert to fraction form
    1,712,816.80/2,565,737.34 = 811,526.56/x
  3. Step 3: Cross multiply
    1,712,816.80x = 2,565,737.34 × 811,526.56
  4. Step 4: Simplify right side
    1,712,816.80x = 2,082,163,997,393.75
  5. Step 5: Solve for x
    x = 2,082,163,997,393.75/1,712,816.80
  6. Step 6: Final answer
    x = 1,215,637.30

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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.