Home / 1,057,231.32-1,458,315.63-627,207

Finding the Fourth Proportional to 1,057,231.32, 1,458,315.63 and 627,207

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Solution

The fourth proportional to 1,057,231.32, 1,458,315.63 and 627,207 is: 865,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,231.32 : 1,458,315.63 = 627,207 : x
  2. Step 2: Convert to fraction form
    1,057,231.32/1,458,315.63 = 627,207/x
  3. Step 3: Cross multiply
    1,057,231.32x = 1,458,315.63 × 627,207
  4. Step 4: Simplify right side
    1,057,231.32x = 914,665,771,345.41
  5. Step 5: Solve for x
    x = 914,665,771,345.41/1,057,231.32
  6. Step 6: Final answer
    x = 865,151.98

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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.