Home / 807,637.93-1,114,547.71-445,074.79

Finding the Fourth Proportional to 807,637.93, 1,114,547.71 and 445,074.79

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Solution

The fourth proportional to 807,637.93, 1,114,547.71 and 445,074.79 is: 614,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,637.93 : 1,114,547.71 = 445,074.79 : x
  2. Step 2: Convert to fraction form
    807,637.93/1,114,547.71 = 445,074.79/x
  3. Step 3: Cross multiply
    807,637.93x = 1,114,547.71 × 445,074.79
  4. Step 4: Simplify right side
    807,637.93x = 496,057,089,646.91
  5. Step 5: Solve for x
    x = 496,057,089,646.91/807,637.93
  6. Step 6: Final answer
    x = 614,207.28

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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.