Home / 1,535,357.16-2,118,796.56-856,337.40

Finding the Fourth Proportional to 1,535,357.16, 2,118,796.56 and 856,337.40

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Solution

The fourth proportional to 1,535,357.16, 2,118,796.56 and 856,337.40 is: 1,181,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,357.16 : 2,118,796.56 = 856,337.40 : x
  2. Step 2: Convert to fraction form
    1,535,357.16/2,118,796.56 = 856,337.40/x
  3. Step 3: Cross multiply
    1,535,357.16x = 2,118,796.56 × 856,337.40
  4. Step 4: Simplify right side
    1,535,357.16x = 1,814,404,737,319.34
  5. Step 5: Solve for x
    x = 1,814,404,737,319.34/1,535,357.16
  6. Step 6: Final answer
    x = 1,181,747.66

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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.