Home / 717,252.56-1,075,071.44-312,785.13

Finding the Fourth Proportional to 717,252.56, 1,075,071.44 and 312,785.13

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Solution

The fourth proportional to 717,252.56, 1,075,071.44 and 312,785.13 is: 468,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,252.56 : 1,075,071.44 = 312,785.13 : x
  2. Step 2: Convert to fraction form
    717,252.56/1,075,071.44 = 312,785.13/x
  3. Step 3: Cross multiply
    717,252.56x = 1,075,071.44 × 312,785.13
  4. Step 4: Simplify right side
    717,252.56x = 336,266,358,555.76
  5. Step 5: Solve for x
    x = 336,266,358,555.76/717,252.56
  6. Step 6: Final answer
    x = 468,825.60

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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.