Home / 626,769.41-864,962.46-354,831.75

Finding the Fourth Proportional to 626,769.41, 864,962.46 and 354,831.75

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Solution

The fourth proportional to 626,769.41, 864,962.46 and 354,831.75 is: 489,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,769.41 : 864,962.46 = 354,831.75 : x
  2. Step 2: Convert to fraction form
    626,769.41/864,962.46 = 354,831.75/x
  3. Step 3: Cross multiply
    626,769.41x = 864,962.46 × 354,831.75
  4. Step 4: Simplify right side
    626,769.41x = 306,916,143,366.11
  5. Step 5: Solve for x
    x = 306,916,143,366.11/626,769.41
  6. Step 6: Final answer
    x = 489,679.52

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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.