Home / 614,585.75-921,973.61-209,683.16

Finding the Fourth Proportional to 614,585.75, 921,973.61 and 209,683.16

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Solution

The fourth proportional to 614,585.75, 921,973.61 and 209,683.16 is: 314,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,585.75 : 921,973.61 = 209,683.16 : x
  2. Step 2: Convert to fraction form
    614,585.75/921,973.61 = 209,683.16/x
  3. Step 3: Cross multiply
    614,585.75x = 921,973.61 × 209,683.16
  4. Step 4: Simplify right side
    614,585.75x = 193,322,334,323.12
  5. Step 5: Solve for x
    x = 193,322,334,323.12/614,585.75
  6. Step 6: Final answer
    x = 314,557.14

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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.