Home / 1,224,784.07-1,690,208.57-673,535.31

Finding the Fourth Proportional to 1,224,784.07, 1,690,208.57 and 673,535.31

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Solution

The fourth proportional to 1,224,784.07, 1,690,208.57 and 673,535.31 is: 929,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,784.07 : 1,690,208.57 = 673,535.31 : x
  2. Step 2: Convert to fraction form
    1,224,784.07/1,690,208.57 = 673,535.31/x
  3. Step 3: Cross multiply
    1,224,784.07x = 1,690,208.57 × 673,535.31
  4. Step 4: Simplify right side
    1,224,784.07x = 1,138,415,153,159.61
  5. Step 5: Solve for x
    x = 1,138,415,153,159.61/1,224,784.07
  6. Step 6: Final answer
    x = 929,482.33

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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.