Home / 923,323.20-1,384,328.70-418,126.20

Finding the Fourth Proportional to 923,323.20, 1,384,328.70 and 418,126.20

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Solution

The fourth proportional to 923,323.20, 1,384,328.70 and 418,126.20 is: 626,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,323.20 : 1,384,328.70 = 418,126.20 : x
  2. Step 2: Convert to fraction form
    923,323.20/1,384,328.70 = 418,126.20/x
  3. Step 3: Cross multiply
    923,323.20x = 1,384,328.70 × 418,126.20
  4. Step 4: Simplify right side
    923,323.20x = 578,824,098,881.94
  5. Step 5: Solve for x
    x = 578,824,098,881.94/923,323.20
  6. Step 6: Final answer
    x = 626,892.19

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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.