Home / 1,238,541.80-1,709,051.02-694,565.64

Finding the Fourth Proportional to 1,238,541.80, 1,709,051.02 and 694,565.64

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Solution

The fourth proportional to 1,238,541.80, 1,709,051.02 and 694,565.64 is: 958,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,541.80 : 1,709,051.02 = 694,565.64 : x
  2. Step 2: Convert to fraction form
    1,238,541.80/1,709,051.02 = 694,565.64/x
  3. Step 3: Cross multiply
    1,238,541.80x = 1,709,051.02 × 694,565.64
  4. Step 4: Simplify right side
    1,238,541.80x = 1,187,048,113,762.54
  5. Step 5: Solve for x
    x = 1,187,048,113,762.54/1,238,541.80
  6. Step 6: Final answer
    x = 958,423.95

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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.