Home / 879,342.96-1,318,570.92-626,478.96

Finding the Fourth Proportional to 879,342.96, 1,318,570.92 and 626,478.96

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Solution

The fourth proportional to 879,342.96, 1,318,570.92 and 626,478.96 is: 939,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,342.96 : 1,318,570.92 = 626,478.96 : x
  2. Step 2: Convert to fraction form
    879,342.96/1,318,570.92 = 626,478.96/x
  3. Step 3: Cross multiply
    879,342.96x = 1,318,570.92 × 626,478.96
  4. Step 4: Simplify right side
    879,342.96x = 826,056,938,647.84
  5. Step 5: Solve for x
    x = 826,056,938,647.84/879,342.96
  6. Step 6: Final answer
    x = 939,402.46

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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.