Home / 855,683.60-1,283,525.40-849,778.70

Finding the Fourth Proportional to 855,683.60, 1,283,525.40 and 849,778.70

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Solution

The fourth proportional to 855,683.60, 1,283,525.40 and 849,778.70 is: 1,274,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,683.60 : 1,283,525.40 = 849,778.70 : x
  2. Step 2: Convert to fraction form
    855,683.60/1,283,525.40 = 849,778.70/x
  3. Step 3: Cross multiply
    855,683.60x = 1,283,525.40 × 849,778.70
  4. Step 4: Simplify right side
    855,683.60x = 1,090,712,545,828.98
  5. Step 5: Solve for x
    x = 1,090,712,545,828.98/855,683.60
  6. Step 6: Final answer
    x = 1,274,668.05

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1.5x scale

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.