Home / 621,069.18-931,253.82-216,075.66

Finding the Fourth Proportional to 621,069.18, 931,253.82 and 216,075.66

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Solution

The fourth proportional to 621,069.18, 931,253.82 and 216,075.66 is: 323,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,069.18 : 931,253.82 = 216,075.66 : x
  2. Step 2: Convert to fraction form
    621,069.18/931,253.82 = 216,075.66/x
  3. Step 3: Cross multiply
    621,069.18x = 931,253.82 × 216,075.66
  4. Step 4: Simplify right side
    621,069.18x = 201,221,283,784.02
  5. Step 5: Solve for x
    x = 201,221,283,784.02/621,069.18
  6. Step 6: Final answer
    x = 323,991.74

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1.5x scale

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.