Home / 518,569.02-777,853.53-163,618.92

Finding the Fourth Proportional to 518,569.02, 777,853.53 and 163,618.92

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Solution

The fourth proportional to 518,569.02, 777,853.53 and 163,618.92 is: 245,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,569.02 : 777,853.53 = 163,618.92 : x
  2. Step 2: Convert to fraction form
    518,569.02/777,853.53 = 163,618.92/x
  3. Step 3: Cross multiply
    518,569.02x = 777,853.53 × 163,618.92
  4. Step 4: Simplify right side
    518,569.02x = 127,271,554,496.79
  5. Step 5: Solve for x
    x = 127,271,554,496.79/518,569.02
  6. Step 6: Final answer
    x = 245,428.38

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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.