Home / 1,686,415.30-2,528,748.15-620,908.90

Finding the Fourth Proportional to 1,686,415.30, 2,528,748.15 and 620,908.90

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Solution

The fourth proportional to 1,686,415.30, 2,528,748.15 and 620,908.90 is: 931,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,415.30 : 2,528,748.15 = 620,908.90 : x
  2. Step 2: Convert to fraction form
    1,686,415.30/2,528,748.15 = 620,908.90/x
  3. Step 3: Cross multiply
    1,686,415.30x = 2,528,748.15 × 620,908.90
  4. Step 4: Simplify right side
    1,686,415.30x = 1,570,122,232,193.54
  5. Step 5: Solve for x
    x = 1,570,122,232,193.54/1,686,415.30
  6. Step 6: Final answer
    x = 931,041.26

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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.