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Finding the Fourth Proportional to 933,081.40, 1,401,098.40 and 708,695.20

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Solution

The fourth proportional to 933,081.40, 1,401,098.40 and 708,695.20 is: 1,064,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,081.40 : 1,401,098.40 = 708,695.20 : x
  2. Step 2: Convert to fraction form
    933,081.40/1,401,098.40 = 708,695.20/x
  3. Step 3: Cross multiply
    933,081.40x = 1,401,098.40 × 708,695.20
  4. Step 4: Simplify right side
    933,081.40x = 992,951,710,807.68
  5. Step 5: Solve for x
    x = 992,951,710,807.68/933,081.40
  6. Step 6: Final answer
    x = 1,064,164.08

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1.5x scale

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.