Home / 1,256,135.60-1,884,204.30-309,506.32

Finding the Fourth Proportional to 1,256,135.60, 1,884,204.30 and 309,506.32

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Solution

The fourth proportional to 1,256,135.60, 1,884,204.30 and 309,506.32 is: 464,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,135.60 : 1,884,204.30 = 309,506.32 : x
  2. Step 2: Convert to fraction form
    1,256,135.60/1,884,204.30 = 309,506.32/x
  3. Step 3: Cross multiply
    1,256,135.60x = 1,884,204.30 × 309,506.32
  4. Step 4: Simplify right side
    1,256,135.60x = 583,173,139,021.18
  5. Step 5: Solve for x
    x = 583,173,139,021.18/1,256,135.60
  6. Step 6: Final answer
    x = 464,259.70

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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.