Home / 805,422.06-1,207,378.58-272,570.04

Finding the Fourth Proportional to 805,422.06, 1,207,378.58 and 272,570.04

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Solution

The fourth proportional to 805,422.06, 1,207,378.58 and 272,570.04 is: 408,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,422.06 : 1,207,378.58 = 272,570.04 : x
  2. Step 2: Convert to fraction form
    805,422.06/1,207,378.58 = 272,570.04/x
  3. Step 3: Cross multiply
    805,422.06x = 1,207,378.58 × 272,570.04
  4. Step 4: Simplify right side
    805,422.06x = 329,095,226,482.89
  5. Step 5: Solve for x
    x = 329,095,226,482.89/805,422.06
  6. Step 6: Final answer
    x = 408,599.72

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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.