Home / 578,621.80-867,543.90-262,916.20

Finding the Fourth Proportional to 578,621.80, 867,543.90 and 262,916.20

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Solution

The fourth proportional to 578,621.80, 867,543.90 and 262,916.20 is: 394,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,621.80 : 867,543.90 = 262,916.20 : x
  2. Step 2: Convert to fraction form
    578,621.80/867,543.90 = 262,916.20/x
  3. Step 3: Cross multiply
    578,621.80x = 867,543.90 × 262,916.20
  4. Step 4: Simplify right side
    578,621.80x = 228,091,345,521.18
  5. Step 5: Solve for x
    x = 228,091,345,521.18/578,621.80
  6. Step 6: Final answer
    x = 394,197.64

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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.