Home / 1,316,014.32-1,974,093.40-417,390.96

Finding the Fourth Proportional to 1,316,014.32, 1,974,093.40 and 417,390.96

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Solution

The fourth proportional to 1,316,014.32, 1,974,093.40 and 417,390.96 is: 626,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,014.32 : 1,974,093.40 = 417,390.96 : x
  2. Step 2: Convert to fraction form
    1,316,014.32/1,974,093.40 = 417,390.96/x
  3. Step 3: Cross multiply
    1,316,014.32x = 1,974,093.40 × 417,390.96
  4. Step 4: Simplify right side
    1,316,014.32x = 823,968,739,355.66
  5. Step 5: Solve for x
    x = 823,968,739,355.66/1,316,014.32
  6. Step 6: Final answer
    x = 626,109.25

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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.