Home / 676,851.27-934,479.36-435,553.18

Finding the Fourth Proportional to 676,851.27, 934,479.36 and 435,553.18

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Solution

The fourth proportional to 676,851.27, 934,479.36 and 435,553.18 is: 601,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,851.27 : 934,479.36 = 435,553.18 : x
  2. Step 2: Convert to fraction form
    676,851.27/934,479.36 = 435,553.18/x
  3. Step 3: Cross multiply
    676,851.27x = 934,479.36 × 435,553.18
  4. Step 4: Simplify right side
    676,851.27x = 407,015,459,812.61
  5. Step 5: Solve for x
    x = 407,015,459,812.61/676,851.27
  6. Step 6: Final answer
    x = 601,336.63

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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.