Home / 839,456.40-1,259,184.60-709,548.60

Finding the Fourth Proportional to 839,456.40, 1,259,184.60 and 709,548.60

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Solution

The fourth proportional to 839,456.40, 1,259,184.60 and 709,548.60 is: 1,064,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,456.40 : 1,259,184.60 = 709,548.60 : x
  2. Step 2: Convert to fraction form
    839,456.40/1,259,184.60 = 709,548.60/x
  3. Step 3: Cross multiply
    839,456.40x = 1,259,184.60 × 709,548.60
  4. Step 4: Simplify right side
    839,456.40x = 893,452,670,071.56
  5. Step 5: Solve for x
    x = 893,452,670,071.56/839,456.40
  6. Step 6: Final answer
    x = 1,064,322.90

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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.