Home / 1,408,451.56-2,112,640.36-397,643.40

Finding the Fourth Proportional to 1,408,451.56, 2,112,640.36 and 397,643.40

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Solution

The fourth proportional to 1,408,451.56, 2,112,640.36 and 397,643.40 is: 596,454.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,451.56 : 2,112,640.36 = 397,643.40 : x
  2. Step 2: Convert to fraction form
    1,408,451.56/2,112,640.36 = 397,643.40/x
  3. Step 3: Cross multiply
    1,408,451.56x = 2,112,640.36 × 397,643.40
  4. Step 4: Simplify right side
    1,408,451.56x = 840,077,495,727.62
  5. Step 5: Solve for x
    x = 840,077,495,727.62/1,408,451.56
  6. Step 6: Final answer
    x = 596,454.66

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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.