Home / 1,115,300.64-1,539,128.88-606,011.52

Finding the Fourth Proportional to 1,115,300.64, 1,539,128.88 and 606,011.52

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Solution

The fourth proportional to 1,115,300.64, 1,539,128.88 and 606,011.52 is: 836,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,300.64 : 1,539,128.88 = 606,011.52 : x
  2. Step 2: Convert to fraction form
    1,115,300.64/1,539,128.88 = 606,011.52/x
  3. Step 3: Cross multiply
    1,115,300.64x = 1,539,128.88 × 606,011.52
  4. Step 4: Simplify right side
    1,115,300.64x = 932,729,832,044.70
  5. Step 5: Solve for x
    x = 932,729,832,044.70/1,115,300.64
  6. Step 6: Final answer
    x = 836,303.50

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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.