Home / 732,381.84-1,010,512.68-445,898.64

Finding the Fourth Proportional to 732,381.84, 1,010,512.68 and 445,898.64

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Solution

The fourth proportional to 732,381.84, 1,010,512.68 and 445,898.64 is: 615,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,381.84 : 1,010,512.68 = 445,898.64 : x
  2. Step 2: Convert to fraction form
    732,381.84/1,010,512.68 = 445,898.64/x
  3. Step 3: Cross multiply
    732,381.84x = 1,010,512.68 × 445,898.64
  4. Step 4: Simplify right side
    732,381.84x = 450,586,229,714.76
  5. Step 5: Solve for x
    x = 450,586,229,714.76/732,381.84
  6. Step 6: Final answer
    x = 615,234.03

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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.