Home / 1,191,084.59-1,643,693.54-647,220.35

Finding the Fourth Proportional to 1,191,084.59, 1,643,693.54 and 647,220.35

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Solution

The fourth proportional to 1,191,084.59, 1,643,693.54 and 647,220.35 is: 893,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,084.59 : 1,643,693.54 = 647,220.35 : x
  2. Step 2: Convert to fraction form
    1,191,084.59/1,643,693.54 = 647,220.35/x
  3. Step 3: Cross multiply
    1,191,084.59x = 1,643,693.54 × 647,220.35
  4. Step 4: Simplify right side
    1,191,084.59x = 1,063,831,909,124.67
  5. Step 5: Solve for x
    x = 1,063,831,909,124.67/1,191,084.59
  6. Step 6: Final answer
    x = 893,162.35

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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.