Home / 286,738.02-427,687.34-249,001.34

Finding the Fourth Proportional to 286,738.02, 427,687.34 and 249,001.34

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Solution

The fourth proportional to 286,738.02, 427,687.34 and 249,001.34 is: 371,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,738.02 : 427,687.34 = 249,001.34 : x
  2. Step 2: Convert to fraction form
    286,738.02/427,687.34 = 249,001.34/x
  3. Step 3: Cross multiply
    286,738.02x = 427,687.34 × 249,001.34
  4. Step 4: Simplify right side
    286,738.02x = 106,494,717,377.59
  5. Step 5: Solve for x
    x = 106,494,717,377.59/286,738.02
  6. Step 6: Final answer
    x = 371,400.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.