Home / 314,721.20-473,248.20-263,399.60

Finding the Fourth Proportional to 314,721.20, 473,248.20 and 263,399.60

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Solution

The fourth proportional to 314,721.20, 473,248.20 and 263,399.60 is: 396,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,721.20 : 473,248.20 = 263,399.60 : x
  2. Step 2: Convert to fraction form
    314,721.20/473,248.20 = 263,399.60/x
  3. Step 3: Cross multiply
    314,721.20x = 473,248.20 × 263,399.60
  4. Step 4: Simplify right side
    314,721.20x = 124,653,386,580.72
  5. Step 5: Solve for x
    x = 124,653,386,580.72/314,721.20
  6. Step 6: Final answer
    x = 396,075.60

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1.5x scale

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.