Home / 3,539,187.40-5,308,781.10-879,795.40

Finding the Fourth Proportional to 3,539,187.40, 5,308,781.10 and 879,795.40

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Solution

The fourth proportional to 3,539,187.40, 5,308,781.10 and 879,795.40 is: 1,319,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,187.40 : 5,308,781.10 = 879,795.40 : x
  2. Step 2: Convert to fraction form
    3,539,187.40/5,308,781.10 = 879,795.40/x
  3. Step 3: Cross multiply
    3,539,187.40x = 5,308,781.10 × 879,795.40
  4. Step 4: Simplify right side
    3,539,187.40x = 4,670,641,191,386.94
  5. Step 5: Solve for x
    x = 4,670,641,191,386.94/3,539,187.40
  6. Step 6: Final answer
    x = 1,319,693.10

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Double scale
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Similar ratio
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1.5x scale

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.