Home / 916,033.80-1,373,386.40-615,769.64

Finding the Fourth Proportional to 916,033.80, 1,373,386.40 and 615,769.64

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Solution

The fourth proportional to 916,033.80, 1,373,386.40 and 615,769.64 is: 923,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,033.80 : 1,373,386.40 = 615,769.64 : x
  2. Step 2: Convert to fraction form
    916,033.80/1,373,386.40 = 615,769.64/x
  3. Step 3: Cross multiply
    916,033.80x = 1,373,386.40 × 615,769.64
  4. Step 4: Simplify right side
    916,033.80x = 845,689,639,163.12
  5. Step 5: Solve for x
    x = 845,689,639,163.12/916,033.80
  6. Step 6: Final answer
    x = 923,207.90

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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.