Home / 1,134,532.35-1,565,633.75-618,290.39

Finding the Fourth Proportional to 1,134,532.35, 1,565,633.75 and 618,290.39

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Solution

The fourth proportional to 1,134,532.35, 1,565,633.75 and 618,290.39 is: 853,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,532.35 : 1,565,633.75 = 618,290.39 : x
  2. Step 2: Convert to fraction form
    1,134,532.35/1,565,633.75 = 618,290.39/x
  3. Step 3: Cross multiply
    1,134,532.35x = 1,565,633.75 × 618,290.39
  4. Step 4: Simplify right side
    1,134,532.35x = 968,016,302,707.30
  5. Step 5: Solve for x
    x = 968,016,302,707.30/1,134,532.35
  6. Step 6: Final answer
    x = 853,229.35

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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.