Home / 3,140,312.40-4,710,814.20-1,146,200.40

Finding the Fourth Proportional to 3,140,312.40, 4,710,814.20 and 1,146,200.40

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Solution

The fourth proportional to 3,140,312.40, 4,710,814.20 and 1,146,200.40 is: 1,719,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,312.40 : 4,710,814.20 = 1,146,200.40 : x
  2. Step 2: Convert to fraction form
    3,140,312.40/4,710,814.20 = 1,146,200.40/x
  3. Step 3: Cross multiply
    3,140,312.40x = 4,710,814.20 × 1,146,200.40
  4. Step 4: Simplify right side
    3,140,312.40x = 5,399,537,120,365.68
  5. Step 5: Solve for x
    x = 5,399,537,120,365.68/3,140,312.40
  6. Step 6: Final answer
    x = 1,719,426.74

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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.