Home / 993,411.54-1,371,024.63-557,900.46

Finding the Fourth Proportional to 993,411.54, 1,371,024.63 and 557,900.46

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Solution

The fourth proportional to 993,411.54, 1,371,024.63 and 557,900.46 is: 769,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,411.54 : 1,371,024.63 = 557,900.46 : x
  2. Step 2: Convert to fraction form
    993,411.54/1,371,024.63 = 557,900.46/x
  3. Step 3: Cross multiply
    993,411.54x = 1,371,024.63 × 557,900.46
  4. Step 4: Simplify right side
    993,411.54x = 764,895,271,748.33
  5. Step 5: Solve for x
    x = 764,895,271,748.33/993,411.54
  6. Step 6: Final answer
    x = 769,968.18

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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.