Home / 678,082.99-1,017,124.47-528,435.24

Finding the Fourth Proportional to 678,082.99, 1,017,124.47 and 528,435.24

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Solution

The fourth proportional to 678,082.99, 1,017,124.47 and 528,435.24 is: 792,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,082.99 : 1,017,124.47 = 528,435.24 : x
  2. Step 2: Convert to fraction form
    678,082.99/1,017,124.47 = 528,435.24/x
  3. Step 3: Cross multiply
    678,082.99x = 1,017,124.47 × 528,435.24
  4. Step 4: Simplify right side
    678,082.99x = 537,484,413,414.32
  5. Step 5: Solve for x
    x = 537,484,413,414.32/678,082.99
  6. Step 6: Final answer
    x = 792,652.85

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Double scale
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Similar ratio
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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.