Home / 1,111,074.71-1,533,407.72-627,670.99

Finding the Fourth Proportional to 1,111,074.71, 1,533,407.72 and 627,670.99

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Solution

The fourth proportional to 1,111,074.71, 1,533,407.72 and 627,670.99 is: 866,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,074.71 : 1,533,407.72 = 627,670.99 : x
  2. Step 2: Convert to fraction form
    1,111,074.71/1,533,407.72 = 627,670.99/x
  3. Step 3: Cross multiply
    1,111,074.71x = 1,533,407.72 × 627,670.99
  4. Step 4: Simplify right side
    1,111,074.71x = 962,475,534,714.17
  5. Step 5: Solve for x
    x = 962,475,534,714.17/1,111,074.71
  6. Step 6: Final answer
    x = 866,256.36

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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.