Home / 4,700,935.20-7,051,402.80-4,288,058.40

Finding the Fourth Proportional to 4,700,935.20, 7,051,402.80 and 4,288,058.40

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Solution

The fourth proportional to 4,700,935.20, 7,051,402.80 and 4,288,058.40 is: 6,432,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700,935.20 : 7,051,402.80 = 4,288,058.40 : x
  2. Step 2: Convert to fraction form
    4,700,935.20/7,051,402.80 = 4,288,058.40/x
  3. Step 3: Cross multiply
    4,700,935.20x = 7,051,402.80 × 4,288,058.40
  4. Step 4: Simplify right side
    4,700,935.20x = 30,236,827,008,323.52
  5. Step 5: Solve for x
    x = 30,236,827,008,323.52/4,700,935.20
  6. Step 6: Final answer
    x = 6,432,087.60

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Similar ratio
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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.