Home / 371,810.25-560,215.04-336,311.60

Finding the Fourth Proportional to 371,810.25, 560,215.04 and 336,311.60

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Solution

The fourth proportional to 371,810.25, 560,215.04 and 336,311.60 is: 506,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,810.25 : 560,215.04 = 336,311.60 : x
  2. Step 2: Convert to fraction form
    371,810.25/560,215.04 = 336,311.60/x
  3. Step 3: Cross multiply
    371,810.25x = 560,215.04 × 336,311.60
  4. Step 4: Simplify right side
    371,810.25x = 188,406,811,963.83
  5. Step 5: Solve for x
    x = 188,406,811,963.83/371,810.25
  6. Step 6: Final answer
    x = 506,728.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.