Home / 917,215.01-1,263,673.90-709,770.01

Finding the Fourth Proportional to 917,215.01, 1,263,673.90 and 709,770.01

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Solution

The fourth proportional to 917,215.01, 1,263,673.90 and 709,770.01 is: 977,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,215.01 : 1,263,673.90 = 709,770.01 : x
  2. Step 2: Convert to fraction form
    917,215.01/1,263,673.90 = 709,770.01/x
  3. Step 3: Cross multiply
    917,215.01x = 1,263,673.90 × 709,770.01
  4. Step 4: Simplify right side
    917,215.01x = 896,917,830,321.37
  5. Step 5: Solve for x
    x = 896,917,830,321.37/917,215.01
  6. Step 6: Final answer
    x = 977,870.86

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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.