Home / 1,069,545.70-1,604,303.04-259,936.12

Finding the Fourth Proportional to 1,069,545.70, 1,604,303.04 and 259,936.12

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Solution

The fourth proportional to 1,069,545.70, 1,604,303.04 and 259,936.12 is: 389,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,545.70 : 1,604,303.04 = 259,936.12 : x
  2. Step 2: Convert to fraction form
    1,069,545.70/1,604,303.04 = 259,936.12/x
  3. Step 3: Cross multiply
    1,069,545.70x = 1,604,303.04 × 259,936.12
  4. Step 4: Simplify right side
    1,069,545.70x = 417,016,307,521.81
  5. Step 5: Solve for x
    x = 417,016,307,521.81/1,069,545.70
  6. Step 6: Final answer
    x = 389,900.41

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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.