Home / 385,581.53-532,026.89-242,258.53

Finding the Fourth Proportional to 385,581.53, 532,026.89 and 242,258.53

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Solution

The fourth proportional to 385,581.53, 532,026.89 and 242,258.53 is: 334,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,581.53 : 532,026.89 = 242,258.53 : x
  2. Step 2: Convert to fraction form
    385,581.53/532,026.89 = 242,258.53/x
  3. Step 3: Cross multiply
    385,581.53x = 532,026.89 × 242,258.53
  4. Step 4: Simplify right side
    385,581.53x = 128,888,053,834.21
  5. Step 5: Solve for x
    x = 128,888,053,834.21/385,581.53
  6. Step 6: Final answer
    x = 334,269.27

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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.