Home / 660,233.80-911,125.38-373,809.16

Finding the Fourth Proportional to 660,233.80, 911,125.38 and 373,809.16

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Solution

The fourth proportional to 660,233.80, 911,125.38 and 373,809.16 is: 515,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,233.80 : 911,125.38 = 373,809.16 : x
  2. Step 2: Convert to fraction form
    660,233.80/911,125.38 = 373,809.16/x
  3. Step 3: Cross multiply
    660,233.80x = 911,125.38 × 373,809.16
  4. Step 4: Simplify right side
    660,233.80x = 340,587,012,952.48
  5. Step 5: Solve for x
    x = 340,587,012,952.48/660,233.80
  6. Step 6: Final answer
    x = 515,858.19

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1.5x scale

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.