Home / 514,931.80-772,616.40-248,555.20

Finding the Fourth Proportional to 514,931.80, 772,616.40 and 248,555.20

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Solution

The fourth proportional to 514,931.80, 772,616.40 and 248,555.20 is: 372,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,931.80 : 772,616.40 = 248,555.20 : x
  2. Step 2: Convert to fraction form
    514,931.80/772,616.40 = 248,555.20/x
  3. Step 3: Cross multiply
    514,931.80x = 772,616.40 × 248,555.20
  4. Step 4: Simplify right side
    514,931.80x = 192,037,823,825.28
  5. Step 5: Solve for x
    x = 192,037,823,825.28/514,931.80
  6. Step 6: Final answer
    x = 372,938.37

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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.