Home / 743,828.58-1,026,977.76-571,439.52

Finding the Fourth Proportional to 743,828.58, 1,026,977.76 and 571,439.52

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Solution

The fourth proportional to 743,828.58, 1,026,977.76 and 571,439.52 is: 788,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,828.58 : 1,026,977.76 = 571,439.52 : x
  2. Step 2: Convert to fraction form
    743,828.58/1,026,977.76 = 571,439.52/x
  3. Step 3: Cross multiply
    743,828.58x = 1,026,977.76 × 571,439.52
  4. Step 4: Simplify right side
    743,828.58x = 586,855,678,225.08
  5. Step 5: Solve for x
    x = 586,855,678,225.08/743,828.58
  6. Step 6: Final answer
    x = 788,966.29

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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.