Home / 760,583.52-1,139,235-715,867.68

Finding the Fourth Proportional to 760,583.52, 1,139,235 and 715,867.68

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Solution

The fourth proportional to 760,583.52, 1,139,235 and 715,867.68 is: 1,072,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,583.52 : 1,139,235 = 715,867.68 : x
  2. Step 2: Convert to fraction form
    760,583.52/1,139,235 = 715,867.68/x
  3. Step 3: Cross multiply
    760,583.52x = 1,139,235 × 715,867.68
  4. Step 4: Simplify right side
    760,583.52x = 815,541,516,424.80
  5. Step 5: Solve for x
    x = 815,541,516,424.80/760,583.52
  6. Step 6: Final answer
    x = 1,072,257.67

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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.