Home / 1,853,898.60-2,778,774.30-788,759.40

Finding the Fourth Proportional to 1,853,898.60, 2,778,774.30 and 788,759.40

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Solution

The fourth proportional to 1,853,898.60, 2,778,774.30 and 788,759.40 is: 1,182,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,898.60 : 2,778,774.30 = 788,759.40 : x
  2. Step 2: Convert to fraction form
    1,853,898.60/2,778,774.30 = 788,759.40/x
  3. Step 3: Cross multiply
    1,853,898.60x = 2,778,774.30 × 788,759.40
  4. Step 4: Simplify right side
    1,853,898.60x = 2,191,784,349,603.42
  5. Step 5: Solve for x
    x = 2,191,784,349,603.42/1,853,898.60
  6. Step 6: Final answer
    x = 1,182,256.87

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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.