Home / 651,868.16-978,081.08-272,877.46

Finding the Fourth Proportional to 651,868.16, 978,081.08 and 272,877.46

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Solution

The fourth proportional to 651,868.16, 978,081.08 and 272,877.46 is: 409,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,868.16 : 978,081.08 = 272,877.46 : x
  2. Step 2: Convert to fraction form
    651,868.16/978,081.08 = 272,877.46/x
  3. Step 3: Cross multiply
    651,868.16x = 978,081.08 × 272,877.46
  4. Step 4: Simplify right side
    651,868.16x = 266,896,276,974.87
  5. Step 5: Solve for x
    x = 266,896,276,974.87/651,868.16
  6. Step 6: Final answer
    x = 409,432.91

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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.