Home / 760,036.16-1,140,014.45-191,416.97

Finding the Fourth Proportional to 760,036.16, 1,140,014.45 and 191,416.97

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Solution

The fourth proportional to 760,036.16, 1,140,014.45 and 191,416.97 is: 287,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,036.16 : 1,140,014.45 = 191,416.97 : x
  2. Step 2: Convert to fraction form
    760,036.16/1,140,014.45 = 191,416.97/x
  3. Step 3: Cross multiply
    760,036.16x = 1,140,014.45 × 191,416.97
  4. Step 4: Simplify right side
    760,036.16x = 218,218,115,103.80
  5. Step 5: Solve for x
    x = 218,218,115,103.80/760,036.16
  6. Step 6: Final answer
    x = 287,115.44

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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.