Home / 1,405,693.32-1,938,406.86-1,202,417.15

Finding the Fourth Proportional to 1,405,693.32, 1,938,406.86 and 1,202,417.15

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Solution

The fourth proportional to 1,405,693.32, 1,938,406.86 and 1,202,417.15 is: 1,658,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,693.32 : 1,938,406.86 = 1,202,417.15 : x
  2. Step 2: Convert to fraction form
    1,405,693.32/1,938,406.86 = 1,202,417.15/x
  3. Step 3: Cross multiply
    1,405,693.32x = 1,938,406.86 × 1,202,417.15
  4. Step 4: Simplify right side
    1,405,693.32x = 2,330,773,642,449.61
  5. Step 5: Solve for x
    x = 2,330,773,642,449.61/1,405,693.32
  6. Step 6: Final answer
    x = 1,658,095.41

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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.