Home / 910,703.10-1,366,120.95-349,737.60

Finding the Fourth Proportional to 910,703.10, 1,366,120.95 and 349,737.60

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Solution

The fourth proportional to 910,703.10, 1,366,120.95 and 349,737.60 is: 524,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,703.10 : 1,366,120.95 = 349,737.60 : x
  2. Step 2: Convert to fraction form
    910,703.10/1,366,120.95 = 349,737.60/x
  3. Step 3: Cross multiply
    910,703.10x = 1,366,120.95 × 349,737.60
  4. Step 4: Simplify right side
    910,703.10x = 477,783,862,362.72
  5. Step 5: Solve for x
    x = 477,783,862,362.72/910,703.10
  6. Step 6: Final answer
    x = 524,631.86

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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.