Home / 1,070,235.40-1,606,130.70-439,601.80

Finding the Fourth Proportional to 1,070,235.40, 1,606,130.70 and 439,601.80

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Solution

The fourth proportional to 1,070,235.40, 1,606,130.70 and 439,601.80 is: 659,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,235.40 : 1,606,130.70 = 439,601.80 : x
  2. Step 2: Convert to fraction form
    1,070,235.40/1,606,130.70 = 439,601.80/x
  3. Step 3: Cross multiply
    1,070,235.40x = 1,606,130.70 × 439,601.80
  4. Step 4: Simplify right side
    1,070,235.40x = 706,057,946,755.26
  5. Step 5: Solve for x
    x = 706,057,946,755.26/1,070,235.40
  6. Step 6: Final answer
    x = 659,722.10

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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.