Home / 823,996.80-1,234,828.80-723,686.40

Finding the Fourth Proportional to 823,996.80, 1,234,828.80 and 723,686.40

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Solution

The fourth proportional to 823,996.80, 1,234,828.80 and 723,686.40 is: 1,084,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,996.80 : 1,234,828.80 = 723,686.40 : x
  2. Step 2: Convert to fraction form
    823,996.80/1,234,828.80 = 723,686.40/x
  3. Step 3: Cross multiply
    823,996.80x = 1,234,828.80 × 723,686.40
  4. Step 4: Simplify right side
    823,996.80x = 893,628,808,888.32
  5. Step 5: Solve for x
    x = 893,628,808,888.32/823,996.80
  6. Step 6: Final answer
    x = 1,084,505.19

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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.