Home / 1,011,779.71-1,395,594.87-648,628.36

Finding the Fourth Proportional to 1,011,779.71, 1,395,594.87 and 648,628.36

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Solution

The fourth proportional to 1,011,779.71, 1,395,594.87 and 648,628.36 is: 894,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,779.71 : 1,395,594.87 = 648,628.36 : x
  2. Step 2: Convert to fraction form
    1,011,779.71/1,395,594.87 = 648,628.36/x
  3. Step 3: Cross multiply
    1,011,779.71x = 1,395,594.87 × 648,628.36
  4. Step 4: Simplify right side
    1,011,779.71x = 905,222,405,831.17
  5. Step 5: Solve for x
    x = 905,222,405,831.17/1,011,779.71
  6. Step 6: Final answer
    x = 894,683.30

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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.