Home / 1,916,765.60-2,875,148.40-569,136.20

Finding the Fourth Proportional to 1,916,765.60, 2,875,148.40 and 569,136.20

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Solution

The fourth proportional to 1,916,765.60, 2,875,148.40 and 569,136.20 is: 853,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,765.60 : 2,875,148.40 = 569,136.20 : x
  2. Step 2: Convert to fraction form
    1,916,765.60/2,875,148.40 = 569,136.20/x
  3. Step 3: Cross multiply
    1,916,765.60x = 2,875,148.40 × 569,136.20
  4. Step 4: Simplify right side
    1,916,765.60x = 1,636,351,034,812.08
  5. Step 5: Solve for x
    x = 1,636,351,034,812.08/1,916,765.60
  6. Step 6: Final answer
    x = 853,704.30

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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.