Home / 760,540.07-1,049,545.63-416,398.31

Finding the Fourth Proportional to 760,540.07, 1,049,545.63 and 416,398.31

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Solution

The fourth proportional to 760,540.07, 1,049,545.63 and 416,398.31 is: 574,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,540.07 : 1,049,545.63 = 416,398.31 : x
  2. Step 2: Convert to fraction form
    760,540.07/1,049,545.63 = 416,398.31/x
  3. Step 3: Cross multiply
    760,540.07x = 1,049,545.63 × 416,398.31
  4. Step 4: Simplify right side
    760,540.07x = 437,029,023,161.41
  5. Step 5: Solve for x
    x = 437,029,023,161.41/760,540.07
  6. Step 6: Final answer
    x = 574,629.84

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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.