Home / 839,617.20-1,158,669-457,643.97

Finding the Fourth Proportional to 839,617.20, 1,158,669 and 457,643.97

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Solution

The fourth proportional to 839,617.20, 1,158,669 and 457,643.97 is: 631,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,617.20 : 1,158,669 = 457,643.97 : x
  2. Step 2: Convert to fraction form
    839,617.20/1,158,669 = 457,643.97/x
  3. Step 3: Cross multiply
    839,617.20x = 1,158,669 × 457,643.97
  4. Step 4: Simplify right side
    839,617.20x = 530,257,881,075.93
  5. Step 5: Solve for x
    x = 530,257,881,075.93/839,617.20
  6. Step 6: Final answer
    x = 631,547.19

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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.