Home / 389,244.19-536,953.02-338,142.20

Finding the Fourth Proportional to 389,244.19, 536,953.02 and 338,142.20

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Solution

The fourth proportional to 389,244.19, 536,953.02 and 338,142.20 is: 466,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,244.19 : 536,953.02 = 338,142.20 : x
  2. Step 2: Convert to fraction form
    389,244.19/536,953.02 = 338,142.20/x
  3. Step 3: Cross multiply
    389,244.19x = 536,953.02 × 338,142.20
  4. Step 4: Simplify right side
    389,244.19x = 181,566,474,547.01
  5. Step 5: Solve for x
    x = 181,566,474,547.01/389,244.19
  6. Step 6: Final answer
    x = 466,459.05

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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.