Home / 968,779.10-1,337,100.18-641,515.26

Finding the Fourth Proportional to 968,779.10, 1,337,100.18 and 641,515.26

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Solution

The fourth proportional to 968,779.10, 1,337,100.18 and 641,515.26 is: 885,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,779.10 : 1,337,100.18 = 641,515.26 : x
  2. Step 2: Convert to fraction form
    968,779.10/1,337,100.18 = 641,515.26/x
  3. Step 3: Cross multiply
    968,779.10x = 1,337,100.18 × 641,515.26
  4. Step 4: Simplify right side
    968,779.10x = 857,770,169,618.75
  5. Step 5: Solve for x
    x = 857,770,169,618.75/968,779.10
  6. Step 6: Final answer
    x = 885,413.58

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Double scale
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1.5x scale

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.