Home / 922,267.08-1,272,730.86-514,395.36

Finding the Fourth Proportional to 922,267.08, 1,272,730.86 and 514,395.36

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Solution

The fourth proportional to 922,267.08, 1,272,730.86 and 514,395.36 is: 709,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,267.08 : 1,272,730.86 = 514,395.36 : x
  2. Step 2: Convert to fraction form
    922,267.08/1,272,730.86 = 514,395.36/x
  3. Step 3: Cross multiply
    922,267.08x = 1,272,730.86 × 514,395.36
  4. Step 4: Simplify right side
    922,267.08x = 654,686,848,912.81
  5. Step 5: Solve for x
    x = 654,686,848,912.81/922,267.08
  6. Step 6: Final answer
    x = 709,866.87

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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.