Home / 1,109,534.49-1,531,196.87-626,071.41

Finding the Fourth Proportional to 1,109,534.49, 1,531,196.87 and 626,071.41

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Solution

The fourth proportional to 1,109,534.49, 1,531,196.87 and 626,071.41 is: 864,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,534.49 : 1,531,196.87 = 626,071.41 : x
  2. Step 2: Convert to fraction form
    1,109,534.49/1,531,196.87 = 626,071.41/x
  3. Step 3: Cross multiply
    1,109,534.49x = 1,531,196.87 × 626,071.41
  4. Step 4: Simplify right side
    1,109,534.49x = 958,638,580,258.13
  5. Step 5: Solve for x
    x = 958,638,580,258.13/1,109,534.49
  6. Step 6: Final answer
    x = 864,000.70

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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.