Home / 676,914.57-934,154.10-370,970.57

Finding the Fourth Proportional to 676,914.57, 934,154.10 and 370,970.57

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Solution

The fourth proportional to 676,914.57, 934,154.10 and 370,970.57 is: 511,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,914.57 : 934,154.10 = 370,970.57 : x
  2. Step 2: Convert to fraction form
    676,914.57/934,154.10 = 370,970.57/x
  3. Step 3: Cross multiply
    676,914.57x = 934,154.10 × 370,970.57
  4. Step 4: Simplify right side
    676,914.57x = 346,543,681,280.22
  5. Step 5: Solve for x
    x = 346,543,681,280.22/676,914.57
  6. Step 6: Final answer
    x = 511,945.96

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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.