Home / 626,829.24-865,000.10-340,342.77

Finding the Fourth Proportional to 626,829.24, 865,000.10 and 340,342.77

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Solution

The fourth proportional to 626,829.24, 865,000.10 and 340,342.77 is: 469,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,829.24 : 865,000.10 = 340,342.77 : x
  2. Step 2: Convert to fraction form
    626,829.24/865,000.10 = 340,342.77/x
  3. Step 3: Cross multiply
    626,829.24x = 865,000.10 × 340,342.77
  4. Step 4: Simplify right side
    626,829.24x = 294,396,531,267.47
  5. Step 5: Solve for x
    x = 294,396,531,267.47/626,829.24
  6. Step 6: Final answer
    x = 469,659.86

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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.