Home / 785,199.03-1,083,298.73-513,426.01

Finding the Fourth Proportional to 785,199.03, 1,083,298.73 and 513,426.01

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Solution

The fourth proportional to 785,199.03, 1,083,298.73 and 513,426.01 is: 708,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,199.03 : 1,083,298.73 = 513,426.01 : x
  2. Step 2: Convert to fraction form
    785,199.03/1,083,298.73 = 513,426.01/x
  3. Step 3: Cross multiply
    785,199.03x = 1,083,298.73 × 513,426.01
  4. Step 4: Simplify right side
    785,199.03x = 556,193,737,850.63
  5. Step 5: Solve for x
    x = 556,193,737,850.63/785,199.03
  6. Step 6: Final answer
    x = 708,347.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.