Home / 892,368.78-1,230,908.04-529,535.76

Finding the Fourth Proportional to 892,368.78, 1,230,908.04 and 529,535.76

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Solution

The fourth proportional to 892,368.78, 1,230,908.04 and 529,535.76 is: 730,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,368.78 : 1,230,908.04 = 529,535.76 : x
  2. Step 2: Convert to fraction form
    892,368.78/1,230,908.04 = 529,535.76/x
  3. Step 3: Cross multiply
    892,368.78x = 1,230,908.04 × 529,535.76
  4. Step 4: Simplify right side
    892,368.78x = 651,809,824,451.51
  5. Step 5: Solve for x
    x = 651,809,824,451.51/892,368.78
  6. Step 6: Final answer
    x = 730,426.52

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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.