Home / 943,259.40-1,301,655.08-513,538.61

Finding the Fourth Proportional to 943,259.40, 1,301,655.08 and 513,538.61

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Solution

The fourth proportional to 943,259.40, 1,301,655.08 and 513,538.61 is: 708,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,259.40 : 1,301,655.08 = 513,538.61 : x
  2. Step 2: Convert to fraction form
    943,259.40/1,301,655.08 = 513,538.61/x
  3. Step 3: Cross multiply
    943,259.40x = 1,301,655.08 × 513,538.61
  4. Step 4: Simplify right side
    943,259.40x = 668,450,135,258.21
  5. Step 5: Solve for x
    x = 668,450,135,258.21/943,259.40
  6. Step 6: Final answer
    x = 708,659.92

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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.