Home / 1,142,307.45-1,576,404.54-626,026.95

Finding the Fourth Proportional to 1,142,307.45, 1,576,404.54 and 626,026.95

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Solution

The fourth proportional to 1,142,307.45, 1,576,404.54 and 626,026.95 is: 863,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,307.45 : 1,576,404.54 = 626,026.95 : x
  2. Step 2: Convert to fraction form
    1,142,307.45/1,576,404.54 = 626,026.95/x
  3. Step 3: Cross multiply
    1,142,307.45x = 1,576,404.54 × 626,026.95
  4. Step 4: Simplify right side
    1,142,307.45x = 986,871,726,142.35
  5. Step 5: Solve for x
    x = 986,871,726,142.35/1,142,307.45
  6. Step 6: Final answer
    x = 863,928.29

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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.