Home / 984,688.11-1,477,217.45-678,233.52

Finding the Fourth Proportional to 984,688.11, 1,477,217.45 and 678,233.52

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Solution

The fourth proportional to 984,688.11, 1,477,217.45 and 678,233.52 is: 1,017,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,688.11 : 1,477,217.45 = 678,233.52 : x
  2. Step 2: Convert to fraction form
    984,688.11/1,477,217.45 = 678,233.52/x
  3. Step 3: Cross multiply
    984,688.11x = 1,477,217.45 × 678,233.52
  4. Step 4: Simplify right side
    984,688.11x = 1,001,898,392,614.51
  5. Step 5: Solve for x
    x = 1,001,898,392,614.51/984,688.11
  6. Step 6: Final answer
    x = 1,017,477.90

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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.