Home / 626,947.45-865,452.35-423,274.27

Finding the Fourth Proportional to 626,947.45, 865,452.35 and 423,274.27

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Solution

The fourth proportional to 626,947.45, 865,452.35 and 423,274.27 is: 584,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,947.45 : 865,452.35 = 423,274.27 : x
  2. Step 2: Convert to fraction form
    626,947.45/865,452.35 = 423,274.27/x
  3. Step 3: Cross multiply
    626,947.45x = 865,452.35 × 423,274.27
  4. Step 4: Simplify right side
    626,947.45x = 366,323,705,222.40
  5. Step 5: Solve for x
    x = 366,323,705,222.40/626,947.45
  6. Step 6: Final answer
    x = 584,297.31

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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.