Home / 922,393.60-1,272,848.34-535,179.04

Finding the Fourth Proportional to 922,393.60, 1,272,848.34 and 535,179.04

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Solution

The fourth proportional to 922,393.60, 1,272,848.34 and 535,179.04 is: 738,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,393.60 : 1,272,848.34 = 535,179.04 : x
  2. Step 2: Convert to fraction form
    922,393.60/1,272,848.34 = 535,179.04/x
  3. Step 3: Cross multiply
    922,393.60x = 1,272,848.34 × 535,179.04
  4. Step 4: Simplify right side
    922,393.60x = 681,201,752,666.79
  5. Step 5: Solve for x
    x = 681,201,752,666.79/922,393.60
  6. Step 6: Final answer
    x = 738,515.26

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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.