Home / 760,507.71-1,140,726.95-255,029.82

Finding the Fourth Proportional to 760,507.71, 1,140,726.95 and 255,029.82

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Solution

The fourth proportional to 760,507.71, 1,140,726.95 and 255,029.82 is: 382,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,507.71 : 1,140,726.95 = 255,029.82 : x
  2. Step 2: Convert to fraction form
    760,507.71/1,140,726.95 = 255,029.82/x
  3. Step 3: Cross multiply
    760,507.71x = 1,140,726.95 × 255,029.82
  4. Step 4: Simplify right side
    760,507.71x = 290,919,388,727.65
  5. Step 5: Solve for x
    x = 290,919,388,727.65/760,507.71
  6. Step 6: Final answer
    x = 382,533.12

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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.