Home / 745,583.20-1,028,014.34-609,114.40

Finding the Fourth Proportional to 745,583.20, 1,028,014.34 and 609,114.40

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Solution

The fourth proportional to 745,583.20, 1,028,014.34 and 609,114.40 is: 839,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,583.20 : 1,028,014.34 = 609,114.40 : x
  2. Step 2: Convert to fraction form
    745,583.20/1,028,014.34 = 609,114.40/x
  3. Step 3: Cross multiply
    745,583.20x = 1,028,014.34 × 609,114.40
  4. Step 4: Simplify right side
    745,583.20x = 626,178,337,900.50
  5. Step 5: Solve for x
    x = 626,178,337,900.50/745,583.20
  6. Step 6: Final answer
    x = 839,850.39

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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.