Home / 1,565,663.86-2,160,616.44-953,816.60

Finding the Fourth Proportional to 1,565,663.86, 2,160,616.44 and 953,816.60

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Solution

The fourth proportional to 1,565,663.86, 2,160,616.44 and 953,816.60 is: 1,316,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,663.86 : 2,160,616.44 = 953,816.60 : x
  2. Step 2: Convert to fraction form
    1,565,663.86/2,160,616.44 = 953,816.60/x
  3. Step 3: Cross multiply
    1,565,663.86x = 2,160,616.44 × 953,816.60
  4. Step 4: Simplify right side
    1,565,663.86x = 2,060,831,826,704.90
  5. Step 5: Solve for x
    x = 2,060,831,826,704.90/1,565,663.86
  6. Step 6: Final answer
    x = 1,316,267.10

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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.