Home / 1,258,810.02-1,737,135.90-685,854.36

Finding the Fourth Proportional to 1,258,810.02, 1,737,135.90 and 685,854.36

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Solution

The fourth proportional to 1,258,810.02, 1,737,135.90 and 685,854.36 is: 946,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,810.02 : 1,737,135.90 = 685,854.36 : x
  2. Step 2: Convert to fraction form
    1,258,810.02/1,737,135.90 = 685,854.36/x
  3. Step 3: Cross multiply
    1,258,810.02x = 1,737,135.90 × 685,854.36
  4. Step 4: Simplify right side
    1,258,810.02x = 1,191,422,230,927.52
  5. Step 5: Solve for x
    x = 1,191,422,230,927.52/1,258,810.02
  6. Step 6: Final answer
    x = 946,467.07

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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.