Home / 1,166,705.76-1,610,055.02-630,161.76

Finding the Fourth Proportional to 1,166,705.76, 1,610,055.02 and 630,161.76

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Solution

The fourth proportional to 1,166,705.76, 1,610,055.02 and 630,161.76 is: 869,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,705.76 : 1,610,055.02 = 630,161.76 : x
  2. Step 2: Convert to fraction form
    1,166,705.76/1,610,055.02 = 630,161.76/x
  3. Step 3: Cross multiply
    1,166,705.76x = 1,610,055.02 × 630,161.76
  4. Step 4: Simplify right side
    1,166,705.76x = 1,014,595,105,100.04
  5. Step 5: Solve for x
    x = 1,014,595,105,100.04/1,166,705.76
  6. Step 6: Final answer
    x = 869,623.81

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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.