Home / 938,133.54-1,295,070.65-628,569.22

Finding the Fourth Proportional to 938,133.54, 1,295,070.65 and 628,569.22

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Solution

The fourth proportional to 938,133.54, 1,295,070.65 and 628,569.22 is: 867,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,133.54 : 1,295,070.65 = 628,569.22 : x
  2. Step 2: Convert to fraction form
    938,133.54/1,295,070.65 = 628,569.22/x
  3. Step 3: Cross multiply
    938,133.54x = 1,295,070.65 × 628,569.22
  4. Step 4: Simplify right side
    938,133.54x = 814,041,545,172.55
  5. Step 5: Solve for x
    x = 814,041,545,172.55/938,133.54
  6. Step 6: Final answer
    x = 867,724.60

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1.5x scale

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.