Home / 869,035.60-1,302,775.80-569,659.60

Finding the Fourth Proportional to 869,035.60, 1,302,775.80 and 569,659.60

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Solution

The fourth proportional to 869,035.60, 1,302,775.80 and 569,659.60 is: 853,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,035.60 : 1,302,775.80 = 569,659.60 : x
  2. Step 2: Convert to fraction form
    869,035.60/1,302,775.80 = 569,659.60/x
  3. Step 3: Cross multiply
    869,035.60x = 1,302,775.80 × 569,659.60
  4. Step 4: Simplify right side
    869,035.60x = 742,138,741,117.68
  5. Step 5: Solve for x
    x = 742,138,741,117.68/869,035.60
  6. Step 6: Final answer
    x = 853,979.68

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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.