Home / 626,901.04-865,133.49-354,961.66

Finding the Fourth Proportional to 626,901.04, 865,133.49 and 354,961.66

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Solution

The fourth proportional to 626,901.04, 865,133.49 and 354,961.66 is: 489,852.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,901.04 : 865,133.49 = 354,961.66 : x
  2. Step 2: Convert to fraction form
    626,901.04/865,133.49 = 354,961.66/x
  3. Step 3: Cross multiply
    626,901.04x = 865,133.49 × 354,961.66
  4. Step 4: Simplify right side
    626,901.04x = 307,089,219,731.99
  5. Step 5: Solve for x
    x = 307,089,219,731.99/626,901.04
  6. Step 6: Final answer
    x = 489,852.78

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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.