Home / 1,916,560.95-2,874,219.48-636,824.76

Finding the Fourth Proportional to 1,916,560.95, 2,874,219.48 and 636,824.76

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Solution

The fourth proportional to 1,916,560.95, 2,874,219.48 and 636,824.76 is: 955,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,560.95 : 2,874,219.48 = 636,824.76 : x
  2. Step 2: Convert to fraction form
    1,916,560.95/2,874,219.48 = 636,824.76/x
  3. Step 3: Cross multiply
    1,916,560.95x = 2,874,219.48 × 636,824.76
  4. Step 4: Simplify right side
    1,916,560.95x = 1,830,374,130,538.32
  5. Step 5: Solve for x
    x = 1,830,374,130,538.32/1,916,560.95
  6. Step 6: Final answer
    x = 955,030.48

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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.