Home / 716,591.38-1,075,071.75-514,421.86

Finding the Fourth Proportional to 716,591.38, 1,075,071.75 and 514,421.86

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Solution

The fourth proportional to 716,591.38, 1,075,071.75 and 514,421.86 is: 771,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,591.38 : 1,075,071.75 = 514,421.86 : x
  2. Step 2: Convert to fraction form
    716,591.38/1,075,071.75 = 514,421.86/x
  3. Step 3: Cross multiply
    716,591.38x = 1,075,071.75 × 514,421.86
  4. Step 4: Simplify right side
    716,591.38x = 553,040,409,268.46
  5. Step 5: Solve for x
    x = 553,040,409,268.46/716,591.38
  6. Step 6: Final answer
    x = 771,765.37

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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.