Home / 674,477.04-1,009,902.60-513,787.49

Finding the Fourth Proportional to 674,477.04, 1,009,902.60 and 513,787.49

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Solution

The fourth proportional to 674,477.04, 1,009,902.60 and 513,787.49 is: 769,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,477.04 : 1,009,902.60 = 513,787.49 : x
  2. Step 2: Convert to fraction form
    674,477.04/1,009,902.60 = 513,787.49/x
  3. Step 3: Cross multiply
    674,477.04x = 1,009,902.60 × 513,787.49
  4. Step 4: Simplify right side
    674,477.04x = 518,875,316,948.96
  5. Step 5: Solve for x
    x = 518,875,316,948.96/674,477.04
  6. Step 6: Final answer
    x = 769,300.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.