Home / 1,152,113.71-1,728,168.63-477,744.97

Finding the Fourth Proportional to 1,152,113.71, 1,728,168.63 and 477,744.97

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Solution

The fourth proportional to 1,152,113.71, 1,728,168.63 and 477,744.97 is: 716,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,113.71 : 1,728,168.63 = 477,744.97 : x
  2. Step 2: Convert to fraction form
    1,152,113.71/1,728,168.63 = 477,744.97/x
  3. Step 3: Cross multiply
    1,152,113.71x = 1,728,168.63 × 477,744.97
  4. Step 4: Simplify right side
    1,152,113.71x = 825,623,870,294.29
  5. Step 5: Solve for x
    x = 825,623,870,294.29/1,152,113.71
  6. Step 6: Final answer
    x = 716,616.65

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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.