Home / 1,122,405.93-1,549,430.10-715,066.38

Finding the Fourth Proportional to 1,122,405.93, 1,549,430.10 and 715,066.38

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Solution

The fourth proportional to 1,122,405.93, 1,549,430.10 and 715,066.38 is: 987,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,405.93 : 1,549,430.10 = 715,066.38 : x
  2. Step 2: Convert to fraction form
    1,122,405.93/1,549,430.10 = 715,066.38/x
  3. Step 3: Cross multiply
    1,122,405.93x = 1,549,430.10 × 715,066.38
  4. Step 4: Simplify right side
    1,122,405.93x = 1,107,945,372,670.04
  5. Step 5: Solve for x
    x = 1,107,945,372,670.04/1,122,405.93
  6. Step 6: Final answer
    x = 987,116.46

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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.