Home / 626,947.56-865,139.67-368,834.76

Finding the Fourth Proportional to 626,947.56, 865,139.67 and 368,834.76

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Solution

The fourth proportional to 626,947.56, 865,139.67 and 368,834.76 is: 508,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,947.56 : 865,139.67 = 368,834.76 : x
  2. Step 2: Convert to fraction form
    626,947.56/865,139.67 = 368,834.76/x
  3. Step 3: Cross multiply
    626,947.56x = 865,139.67 × 368,834.76
  4. Step 4: Simplify right side
    626,947.56x = 319,093,582,550.93
  5. Step 5: Solve for x
    x = 319,093,582,550.93/626,947.56
  6. Step 6: Final answer
    x = 508,963.75

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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.