Home / 1,911,130.75-2,866,695.33-696,798.32

Finding the Fourth Proportional to 1,911,130.75, 2,866,695.33 and 696,798.32

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Solution

The fourth proportional to 1,911,130.75, 2,866,695.33 and 696,798.32 is: 1,045,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,130.75 : 2,866,695.33 = 696,798.32 : x
  2. Step 2: Convert to fraction form
    1,911,130.75/2,866,695.33 = 696,798.32/x
  3. Step 3: Cross multiply
    1,911,130.75x = 2,866,695.33 × 696,798.32
  4. Step 4: Simplify right side
    1,911,130.75x = 1,997,508,472,296.13
  5. Step 5: Solve for x
    x = 1,997,508,472,296.13/1,911,130.75
  6. Step 6: Final answer
    x = 1,045,197.18

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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.