Home / 1,160,899.92-1,601,988-644,686.60

Finding the Fourth Proportional to 1,160,899.92, 1,601,988 and 644,686.60

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Solution

The fourth proportional to 1,160,899.92, 1,601,988 and 644,686.60 is: 889,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,899.92 : 1,601,988 = 644,686.60 : x
  2. Step 2: Convert to fraction form
    1,160,899.92/1,601,988 = 644,686.60/x
  3. Step 3: Cross multiply
    1,160,899.92x = 1,601,988 × 644,686.60
  4. Step 4: Simplify right side
    1,160,899.92x = 1,032,780,196,960.80
  5. Step 5: Solve for x
    x = 1,032,780,196,960.80/1,160,899.92
  6. Step 6: Final answer
    x = 889,637.58

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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.