Home / 922,271.40-1,383,407.10-542,802.60

Finding the Fourth Proportional to 922,271.40, 1,383,407.10 and 542,802.60

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Solution

The fourth proportional to 922,271.40, 1,383,407.10 and 542,802.60 is: 814,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,271.40 : 1,383,407.10 = 542,802.60 : x
  2. Step 2: Convert to fraction form
    922,271.40/1,383,407.10 = 542,802.60/x
  3. Step 3: Cross multiply
    922,271.40x = 1,383,407.10 × 542,802.60
  4. Step 4: Simplify right side
    922,271.40x = 750,916,970,738.46
  5. Step 5: Solve for x
    x = 750,916,970,738.46/922,271.40
  6. Step 6: Final answer
    x = 814,203.90

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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.