Home / 1,918,715.92-2,877,572.40-570,515.44

Finding the Fourth Proportional to 1,918,715.92, 2,877,572.40 and 570,515.44

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Solution

The fourth proportional to 1,918,715.92, 2,877,572.40 and 570,515.44 is: 855,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,715.92 : 2,877,572.40 = 570,515.44 : x
  2. Step 2: Convert to fraction form
    1,918,715.92/2,877,572.40 = 570,515.44/x
  3. Step 3: Cross multiply
    1,918,715.92x = 2,877,572.40 × 570,515.44
  4. Step 4: Simplify right side
    1,918,715.92x = 1,641,699,483,917.86
  5. Step 5: Solve for x
    x = 1,641,699,483,917.86/1,918,715.92
  6. Step 6: Final answer
    x = 855,624.05

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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.