Home / 676,521.60-1,013,470.20-376,465.20

Finding the Fourth Proportional to 676,521.60, 1,013,470.20 and 376,465.20

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Solution

The fourth proportional to 676,521.60, 1,013,470.20 and 376,465.20 is: 563,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,521.60 : 1,013,470.20 = 376,465.20 : x
  2. Step 2: Convert to fraction form
    676,521.60/1,013,470.20 = 376,465.20/x
  3. Step 3: Cross multiply
    676,521.60x = 1,013,470.20 × 376,465.20
  4. Step 4: Simplify right side
    676,521.60x = 381,536,261,537.04
  5. Step 5: Solve for x
    x = 381,536,261,537.04/676,521.60
  6. Step 6: Final answer
    x = 563,967.60

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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.