Home / 873,792.60-1,310,688.90-578,304.60

Finding the Fourth Proportional to 873,792.60, 1,310,688.90 and 578,304.60

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Solution

The fourth proportional to 873,792.60, 1,310,688.90 and 578,304.60 is: 867,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,792.60 : 1,310,688.90 = 578,304.60 : x
  2. Step 2: Convert to fraction form
    873,792.60/1,310,688.90 = 578,304.60/x
  3. Step 3: Cross multiply
    873,792.60x = 1,310,688.90 × 578,304.60
  4. Step 4: Simplify right side
    873,792.60x = 757,977,420,038.94
  5. Step 5: Solve for x
    x = 757,977,420,038.94/873,792.60
  6. Step 6: Final answer
    x = 867,456.90

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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.