Home / 1,257,818.09-1,735,810.02-713,970.65

Finding the Fourth Proportional to 1,257,818.09, 1,735,810.02 and 713,970.65

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Solution

The fourth proportional to 1,257,818.09, 1,735,810.02 and 713,970.65 is: 985,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,818.09 : 1,735,810.02 = 713,970.65 : x
  2. Step 2: Convert to fraction form
    1,257,818.09/1,735,810.02 = 713,970.65/x
  3. Step 3: Cross multiply
    1,257,818.09x = 1,735,810.02 × 713,970.65
  4. Step 4: Simplify right side
    1,257,818.09x = 1,239,317,412,595.44
  5. Step 5: Solve for x
    x = 1,239,317,412,595.44/1,257,818.09
  6. Step 6: Final answer
    x = 985,291.46

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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.