Home / 929,328.56-1,282,495.52-521,460.58

Finding the Fourth Proportional to 929,328.56, 1,282,495.52 and 521,460.58

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Solution

The fourth proportional to 929,328.56, 1,282,495.52 and 521,460.58 is: 719,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,328.56 : 1,282,495.52 = 521,460.58 : x
  2. Step 2: Convert to fraction form
    929,328.56/1,282,495.52 = 521,460.58/x
  3. Step 3: Cross multiply
    929,328.56x = 1,282,495.52 × 521,460.58
  4. Step 4: Simplify right side
    929,328.56x = 668,770,855,804.01
  5. Step 5: Solve for x
    x = 668,770,855,804.01/929,328.56
  6. Step 6: Final answer
    x = 719,628.00

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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.