Home / 934,502.80-1,402,410.30-402,405.70

Finding the Fourth Proportional to 934,502.80, 1,402,410.30 and 402,405.70

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Solution

The fourth proportional to 934,502.80, 1,402,410.30 and 402,405.70 is: 603,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,502.80 : 1,402,410.30 = 402,405.70 : x
  2. Step 2: Convert to fraction form
    934,502.80/1,402,410.30 = 402,405.70/x
  3. Step 3: Cross multiply
    934,502.80x = 1,402,410.30 × 402,405.70
  4. Step 4: Simplify right side
    934,502.80x = 564,337,898,458.71
  5. Step 5: Solve for x
    x = 564,337,898,458.71/934,502.80
  6. Step 6: Final answer
    x = 603,891.07

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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.