Home / 760,593.75-1,142,012.07-424,291.47

Finding the Fourth Proportional to 760,593.75, 1,142,012.07 and 424,291.47

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Solution

The fourth proportional to 760,593.75, 1,142,012.07 and 424,291.47 is: 637,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,593.75 : 1,142,012.07 = 424,291.47 : x
  2. Step 2: Convert to fraction form
    760,593.75/1,142,012.07 = 424,291.47/x
  3. Step 3: Cross multiply
    760,593.75x = 1,142,012.07 × 424,291.47
  4. Step 4: Simplify right side
    760,593.75x = 484,545,979,938.04
  5. Step 5: Solve for x
    x = 484,545,979,938.04/760,593.75
  6. Step 6: Final answer
    x = 637,062.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.