Home / 427,823.60-590,211.24-257,963.36

Finding the Fourth Proportional to 427,823.60, 590,211.24 and 257,963.36

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Solution

The fourth proportional to 427,823.60, 590,211.24 and 257,963.36 is: 355,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,823.60 : 590,211.24 = 257,963.36 : x
  2. Step 2: Convert to fraction form
    427,823.60/590,211.24 = 257,963.36/x
  3. Step 3: Cross multiply
    427,823.60x = 590,211.24 × 257,963.36
  4. Step 4: Simplify right side
    427,823.60x = 152,252,874,580.17
  5. Step 5: Solve for x
    x = 152,252,874,580.17/427,823.60
  6. Step 6: Final answer
    x = 355,877.69

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1.5x scale

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.