Home / 841,617.65-1,161,439.75-479,064.84

Finding the Fourth Proportional to 841,617.65, 1,161,439.75 and 479,064.84

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Solution

The fourth proportional to 841,617.65, 1,161,439.75 and 479,064.84 is: 661,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,617.65 : 1,161,439.75 = 479,064.84 : x
  2. Step 2: Convert to fraction form
    841,617.65/1,161,439.75 = 479,064.84/x
  3. Step 3: Cross multiply
    841,617.65x = 1,161,439.75 × 479,064.84
  4. Step 4: Simplify right side
    841,617.65x = 556,404,948,003.39
  5. Step 5: Solve for x
    x = 556,404,948,003.39/841,617.65
  6. Step 6: Final answer
    x = 661,113.69

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1.5x scale

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.