Home / 651,880.40-977,821.44-178,569.92

Finding the Fourth Proportional to 651,880.40, 977,821.44 and 178,569.92

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Solution

The fourth proportional to 651,880.40, 977,821.44 and 178,569.92 is: 267,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,880.40 : 977,821.44 = 178,569.92 : x
  2. Step 2: Convert to fraction form
    651,880.40/977,821.44 = 178,569.92/x
  3. Step 3: Cross multiply
    651,880.40x = 977,821.44 × 178,569.92
  4. Step 4: Simplify right side
    651,880.40x = 174,609,496,315.09
  5. Step 5: Solve for x
    x = 174,609,496,315.09/651,880.40
  6. Step 6: Final answer
    x = 267,855.11

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1.5x scale

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.