Home / 626,531.10-939,140.55-247,305.30

Finding the Fourth Proportional to 626,531.10, 939,140.55 and 247,305.30

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Solution

The fourth proportional to 626,531.10, 939,140.55 and 247,305.30 is: 370,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,531.10 : 939,140.55 = 247,305.30 : x
  2. Step 2: Convert to fraction form
    626,531.10/939,140.55 = 247,305.30/x
  3. Step 3: Cross multiply
    626,531.10x = 939,140.55 × 247,305.30
  4. Step 4: Simplify right side
    626,531.10x = 232,254,435,459.92
  5. Step 5: Solve for x
    x = 232,254,435,459.92/626,531.10
  6. Step 6: Final answer
    x = 370,698.97

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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.