Home / 627,595.18-866,088.12-341,115.40

Finding the Fourth Proportional to 627,595.18, 866,088.12 and 341,115.40

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Solution

The fourth proportional to 627,595.18, 866,088.12 and 341,115.40 is: 470,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,595.18 : 866,088.12 = 341,115.40 : x
  2. Step 2: Convert to fraction form
    627,595.18/866,088.12 = 341,115.40/x
  3. Step 3: Cross multiply
    627,595.18x = 866,088.12 × 341,115.40
  4. Step 4: Simplify right side
    627,595.18x = 295,435,995,489.05
  5. Step 5: Solve for x
    x = 295,435,995,489.05/627,595.18
  6. Step 6: Final answer
    x = 470,742.93

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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.