Home / 1,137,767.79-1,570,054.47-679,399.59

Finding the Fourth Proportional to 1,137,767.79, 1,570,054.47 and 679,399.59

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Solution

The fourth proportional to 1,137,767.79, 1,570,054.47 and 679,399.59 is: 937,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,767.79 : 1,570,054.47 = 679,399.59 : x
  2. Step 2: Convert to fraction form
    1,137,767.79/1,570,054.47 = 679,399.59/x
  3. Step 3: Cross multiply
    1,137,767.79x = 1,570,054.47 × 679,399.59
  4. Step 4: Simplify right side
    1,137,767.79x = 1,066,694,363,195.67
  5. Step 5: Solve for x
    x = 1,066,694,363,195.67/1,137,767.79
  6. Step 6: Final answer
    x = 937,532.57

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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.