Home / 651,673.15-898,989.37-565,511.19

Finding the Fourth Proportional to 651,673.15, 898,989.37 and 565,511.19

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Solution

The fourth proportional to 651,673.15, 898,989.37 and 565,511.19 is: 780,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,673.15 : 898,989.37 = 565,511.19 : x
  2. Step 2: Convert to fraction form
    651,673.15/898,989.37 = 565,511.19/x
  3. Step 3: Cross multiply
    651,673.15x = 898,989.37 × 565,511.19
  4. Step 4: Simplify right side
    651,673.15x = 508,388,543,641.06
  5. Step 5: Solve for x
    x = 508,388,543,641.06/651,673.15
  6. Step 6: Final answer
    x = 780,128.11

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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.