Home / 1,416,907.97-2,125,489.41-457,386.32

Finding the Fourth Proportional to 1,416,907.97, 2,125,489.41 and 457,386.32

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Solution

The fourth proportional to 1,416,907.97, 2,125,489.41 and 457,386.32 is: 686,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,907.97 : 2,125,489.41 = 457,386.32 : x
  2. Step 2: Convert to fraction form
    1,416,907.97/2,125,489.41 = 457,386.32/x
  3. Step 3: Cross multiply
    1,416,907.97x = 2,125,489.41 × 457,386.32
  4. Step 4: Simplify right side
    1,416,907.97x = 972,169,778,774.66
  5. Step 5: Solve for x
    x = 972,169,778,774.66/1,416,907.97
  6. Step 6: Final answer
    x = 686,120.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.