Home / 330,151.34-453,854.75-284,041.49

Finding the Fourth Proportional to 330,151.34, 453,854.75 and 284,041.49

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Solution

The fourth proportional to 330,151.34, 453,854.75 and 284,041.49 is: 390,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,151.34 : 453,854.75 = 284,041.49 : x
  2. Step 2: Convert to fraction form
    330,151.34/453,854.75 = 284,041.49/x
  3. Step 3: Cross multiply
    330,151.34x = 453,854.75 × 284,041.49
  4. Step 4: Simplify right side
    330,151.34x = 128,913,575,744.10
  5. Step 5: Solve for x
    x = 128,913,575,744.10/330,151.34
  6. Step 6: Final answer
    x = 390,468.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.