Home / 676,742.10-933,901.11-370,818.06

Finding the Fourth Proportional to 676,742.10, 933,901.11 and 370,818.06

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Solution

The fourth proportional to 676,742.10, 933,901.11 and 370,818.06 is: 511,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,742.10 : 933,901.11 = 370,818.06 : x
  2. Step 2: Convert to fraction form
    676,742.10/933,901.11 = 370,818.06/x
  3. Step 3: Cross multiply
    676,742.10x = 933,901.11 × 370,818.06
  4. Step 4: Simplify right side
    676,742.10x = 346,307,397,842.05
  5. Step 5: Solve for x
    x = 346,307,397,842.05/676,742.10
  6. Step 6: Final answer
    x = 511,727.29

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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.