Home / 805,608.40-1,207,030.20-524,981.20

Finding the Fourth Proportional to 805,608.40, 1,207,030.20 and 524,981.20

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Solution

The fourth proportional to 805,608.40, 1,207,030.20 and 524,981.20 is: 786,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,608.40 : 1,207,030.20 = 524,981.20 : x
  2. Step 2: Convert to fraction form
    805,608.40/1,207,030.20 = 524,981.20/x
  3. Step 3: Cross multiply
    805,608.40x = 1,207,030.20 × 524,981.20
  4. Step 4: Simplify right side
    805,608.40x = 633,668,162,832.24
  5. Step 5: Solve for x
    x = 633,668,162,832.24/805,608.40
  6. Step 6: Final answer
    x = 786,570.95

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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.