Home / 717,071.40-1,075,356.18-211,498.14

Finding the Fourth Proportional to 717,071.40, 1,075,356.18 and 211,498.14

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Solution

The fourth proportional to 717,071.40, 1,075,356.18 and 211,498.14 is: 317,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,071.40 : 1,075,356.18 = 211,498.14 : x
  2. Step 2: Convert to fraction form
    717,071.40/1,075,356.18 = 211,498.14/x
  3. Step 3: Cross multiply
    717,071.40x = 1,075,356.18 × 211,498.14
  4. Step 4: Simplify right side
    717,071.40x = 227,435,831,907.51
  5. Step 5: Solve for x
    x = 227,435,831,907.51/717,071.40
  6. Step 6: Final answer
    x = 317,173.20

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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.