Home / 877,736.20-1,316,230.46-344,883.45

Finding the Fourth Proportional to 877,736.20, 1,316,230.46 and 344,883.45

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Solution

The fourth proportional to 877,736.20, 1,316,230.46 and 344,883.45 is: 517,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,736.20 : 1,316,230.46 = 344,883.45 : x
  2. Step 2: Convert to fraction form
    877,736.20/1,316,230.46 = 344,883.45/x
  3. Step 3: Cross multiply
    877,736.20x = 1,316,230.46 × 344,883.45
  4. Step 4: Simplify right side
    877,736.20x = 453,946,095,438.95
  5. Step 5: Solve for x
    x = 453,946,095,438.95/877,736.20
  6. Step 6: Final answer
    x = 517,178.28

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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.