Home / 626,531.60-939,141.30-247,305.80

Finding the Fourth Proportional to 626,531.60, 939,141.30 and 247,305.80

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Solution

The fourth proportional to 626,531.60, 939,141.30 and 247,305.80 is: 370,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,531.60 : 939,141.30 = 247,305.80 : x
  2. Step 2: Convert to fraction form
    626,531.60/939,141.30 = 247,305.80/x
  3. Step 3: Cross multiply
    626,531.60x = 939,141.30 × 247,305.80
  4. Step 4: Simplify right side
    626,531.60x = 232,255,090,509.54
  5. Step 5: Solve for x
    x = 232,255,090,509.54/626,531.60
  6. Step 6: Final answer
    x = 370,699.72

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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.