Home / 745,743.40-1,118,615.10-537,346.60

Finding the Fourth Proportional to 745,743.40, 1,118,615.10 and 537,346.60

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Solution

The fourth proportional to 745,743.40, 1,118,615.10 and 537,346.60 is: 806,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,743.40 : 1,118,615.10 = 537,346.60 : x
  2. Step 2: Convert to fraction form
    745,743.40/1,118,615.10 = 537,346.60/x
  3. Step 3: Cross multiply
    745,743.40x = 1,118,615.10 × 537,346.60
  4. Step 4: Simplify right side
    745,743.40x = 601,084,020,693.66
  5. Step 5: Solve for x
    x = 601,084,020,693.66/745,743.40
  6. Step 6: Final answer
    x = 806,019.90

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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.