Home / 760,925.05-1,140,846.96-381,572.12

Finding the Fourth Proportional to 760,925.05, 1,140,846.96 and 381,572.12

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Solution

The fourth proportional to 760,925.05, 1,140,846.96 and 381,572.12 is: 572,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,925.05 : 1,140,846.96 = 381,572.12 : x
  2. Step 2: Convert to fraction form
    760,925.05/1,140,846.96 = 381,572.12/x
  3. Step 3: Cross multiply
    760,925.05x = 1,140,846.96 × 381,572.12
  4. Step 4: Simplify right side
    760,925.05x = 435,315,395,974.87
  5. Step 5: Solve for x
    x = 435,315,395,974.87/760,925.05
  6. Step 6: Final answer
    x = 572,087.09

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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.