Home / 1,121,152.27-1,547,168.56-611,858.29

Finding the Fourth Proportional to 1,121,152.27, 1,547,168.56 and 611,858.29

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Solution

The fourth proportional to 1,121,152.27, 1,547,168.56 and 611,858.29 is: 844,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,152.27 : 1,547,168.56 = 611,858.29 : x
  2. Step 2: Convert to fraction form
    1,121,152.27/1,547,168.56 = 611,858.29/x
  3. Step 3: Cross multiply
    1,121,152.27x = 1,547,168.56 × 611,858.29
  4. Step 4: Simplify right side
    1,121,152.27x = 946,647,909,463.36
  5. Step 5: Solve for x
    x = 946,647,909,463.36/1,121,152.27
  6. Step 6: Final answer
    x = 844,352.67

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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.