Home / 1,256,153.94-1,884,231.95-309,524.76

Finding the Fourth Proportional to 1,256,153.94, 1,884,231.95 and 309,524.76

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Solution

The fourth proportional to 1,256,153.94, 1,884,231.95 and 309,524.76 is: 464,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,153.94 : 1,884,231.95 = 309,524.76 : x
  2. Step 2: Convert to fraction form
    1,256,153.94/1,884,231.95 = 309,524.76/x
  3. Step 3: Cross multiply
    1,256,153.94x = 1,884,231.95 × 309,524.76
  4. Step 4: Simplify right side
    1,256,153.94x = 583,216,442,108.08
  5. Step 5: Solve for x
    x = 583,216,442,108.08/1,256,153.94
  6. Step 6: Final answer
    x = 464,287.40

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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.