Home / 854,866.07-1,280,614.02-695,122.32

Finding the Fourth Proportional to 854,866.07, 1,280,614.02 and 695,122.32

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Solution

The fourth proportional to 854,866.07, 1,280,614.02 and 695,122.32 is: 1,041,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,866.07 : 1,280,614.02 = 695,122.32 : x
  2. Step 2: Convert to fraction form
    854,866.07/1,280,614.02 = 695,122.32/x
  3. Step 3: Cross multiply
    854,866.07x = 1,280,614.02 × 695,122.32
  4. Step 4: Simplify right side
    854,866.07x = 890,183,390,802.52
  5. Step 5: Solve for x
    x = 890,183,390,802.52/854,866.07
  6. Step 6: Final answer
    x = 1,041,313.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.