Home / 1,069,686.41-1,605,048.61-470,569.73

Finding the Fourth Proportional to 1,069,686.41, 1,605,048.61 and 470,569.73

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Solution

The fourth proportional to 1,069,686.41, 1,605,048.61 and 470,569.73 is: 706,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,686.41 : 1,605,048.61 = 470,569.73 : x
  2. Step 2: Convert to fraction form
    1,069,686.41/1,605,048.61 = 470,569.73/x
  3. Step 3: Cross multiply
    1,069,686.41x = 1,605,048.61 × 470,569.73
  4. Step 4: Simplify right side
    1,069,686.41x = 755,287,281,401.75
  5. Step 5: Solve for x
    x = 755,287,281,401.75/1,069,686.41
  6. Step 6: Final answer
    x = 706,082.90

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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.