Home / 823,521.50-1,233,133.67-662,719.11

Finding the Fourth Proportional to 823,521.50, 1,233,133.67 and 662,719.11

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Solution

The fourth proportional to 823,521.50, 1,233,133.67 and 662,719.11 is: 992,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,521.50 : 1,233,133.67 = 662,719.11 : x
  2. Step 2: Convert to fraction form
    823,521.50/1,233,133.67 = 662,719.11/x
  3. Step 3: Cross multiply
    823,521.50x = 1,233,133.67 × 662,719.11
  4. Step 4: Simplify right side
    823,521.50x = 817,221,249,950.23
  5. Step 5: Solve for x
    x = 817,221,249,950.23/823,521.50
  6. Step 6: Final answer
    x = 992,349.62

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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.