Home / 1,014,535.18-1,521,797.98-256,378.37

Finding the Fourth Proportional to 1,014,535.18, 1,521,797.98 and 256,378.37

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Solution

The fourth proportional to 1,014,535.18, 1,521,797.98 and 256,378.37 is: 384,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,535.18 : 1,521,797.98 = 256,378.37 : x
  2. Step 2: Convert to fraction form
    1,014,535.18/1,521,797.98 = 256,378.37/x
  3. Step 3: Cross multiply
    1,014,535.18x = 1,521,797.98 × 256,378.37
  4. Step 4: Simplify right side
    1,014,535.18x = 390,156,077,812.47
  5. Step 5: Solve for x
    x = 390,156,077,812.47/1,014,535.18
  6. Step 6: Final answer
    x = 384,566.34

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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.