Home / 1,706,999.60-2,561,483.55-642,805.40

Finding the Fourth Proportional to 1,706,999.60, 2,561,483.55 and 642,805.40

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Solution

The fourth proportional to 1,706,999.60, 2,561,483.55 and 642,805.40 is: 964,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,999.60 : 2,561,483.55 = 642,805.40 : x
  2. Step 2: Convert to fraction form
    1,706,999.60/2,561,483.55 = 642,805.40/x
  3. Step 3: Cross multiply
    1,706,999.60x = 2,561,483.55 × 642,805.40
  4. Step 4: Simplify right side
    1,706,999.60x = 1,646,535,457,951.17
  5. Step 5: Solve for x
    x = 1,646,535,457,951.17/1,706,999.60
  6. Step 6: Final answer
    x = 964,578.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.