Home / 676,953.20-934,072.94-435,180.35

Finding the Fourth Proportional to 676,953.20, 934,072.94 and 435,180.35

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Solution

The fourth proportional to 676,953.20, 934,072.94 and 435,180.35 is: 600,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,953.20 : 934,072.94 = 435,180.35 : x
  2. Step 2: Convert to fraction form
    676,953.20/934,072.94 = 435,180.35/x
  3. Step 3: Cross multiply
    676,953.20x = 934,072.94 × 435,180.35
  4. Step 4: Simplify right side
    676,953.20x = 406,490,185,899.76
  5. Step 5: Solve for x
    x = 406,490,185,899.76/676,953.20
  6. Step 6: Final answer
    x = 600,470.15

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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.