Home / 1,771,807.80-2,655,897.30-871,865.40

Finding the Fourth Proportional to 1,771,807.80, 2,655,897.30 and 871,865.40

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Solution

The fourth proportional to 1,771,807.80, 2,655,897.30 and 871,865.40 is: 1,306,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,807.80 : 2,655,897.30 = 871,865.40 : x
  2. Step 2: Convert to fraction form
    1,771,807.80/2,655,897.30 = 871,865.40/x
  3. Step 3: Cross multiply
    1,771,807.80x = 2,655,897.30 × 871,865.40
  4. Step 4: Simplify right side
    1,771,807.80x = 2,315,584,961,823.42
  5. Step 5: Solve for x
    x = 2,315,584,961,823.42/1,771,807.80
  6. Step 6: Final answer
    x = 1,306,905.28

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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.