Home / 1,115,511-1,539,415.06-606,213.40

Finding the Fourth Proportional to 1,115,511, 1,539,415.06 and 606,213.40

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Solution

The fourth proportional to 1,115,511, 1,539,415.06 and 606,213.40 is: 836,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,511 : 1,539,415.06 = 606,213.40 : x
  2. Step 2: Convert to fraction form
    1,115,511/1,539,415.06 = 606,213.40/x
  3. Step 3: Cross multiply
    1,115,511x = 1,539,415.06 × 606,213.40
  4. Step 4: Simplify right side
    1,115,511x = 933,214,037,533.80
  5. Step 5: Solve for x
    x = 933,214,037,533.80/1,115,511
  6. Step 6: Final answer
    x = 836,579.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.