Home / 717,009.53-1,075,543.97-211,570.50

Finding the Fourth Proportional to 717,009.53, 1,075,543.97 and 211,570.50

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Solution

The fourth proportional to 717,009.53, 1,075,543.97 and 211,570.50 is: 317,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,009.53 : 1,075,543.97 = 211,570.50 : x
  2. Step 2: Convert to fraction form
    717,009.53/1,075,543.97 = 211,570.50/x
  3. Step 3: Cross multiply
    717,009.53x = 1,075,543.97 × 211,570.50
  4. Step 4: Simplify right side
    717,009.53x = 227,553,374,447.03
  5. Step 5: Solve for x
    x = 227,553,374,447.03/717,009.53
  6. Step 6: Final answer
    x = 317,364.51

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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.