Home / 992,929.16-1,489,442.94-283,061.76

Finding the Fourth Proportional to 992,929.16, 1,489,442.94 and 283,061.76

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Solution

The fourth proportional to 992,929.16, 1,489,442.94 and 283,061.76 is: 424,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,929.16 : 1,489,442.94 = 283,061.76 : x
  2. Step 2: Convert to fraction form
    992,929.16/1,489,442.94 = 283,061.76/x
  3. Step 3: Cross multiply
    992,929.16x = 1,489,442.94 × 283,061.76
  4. Step 4: Simplify right side
    992,929.16x = 421,604,340,015.97
  5. Step 5: Solve for x
    x = 421,604,340,015.97/992,929.16
  6. Step 6: Final answer
    x = 424,606.67

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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.