Home / 890,228.04-1,227,844.98-618,296.28

Finding the Fourth Proportional to 890,228.04, 1,227,844.98 and 618,296.28

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Solution

The fourth proportional to 890,228.04, 1,227,844.98 and 618,296.28 is: 852,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,228.04 : 1,227,844.98 = 618,296.28 : x
  2. Step 2: Convert to fraction form
    890,228.04/1,227,844.98 = 618,296.28/x
  3. Step 3: Cross multiply
    890,228.04x = 1,227,844.98 × 618,296.28
  4. Step 4: Simplify right side
    890,228.04x = 759,171,983,550.68
  5. Step 5: Solve for x
    x = 759,171,983,550.68/890,228.04
  6. Step 6: Final answer
    x = 852,783.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.