Home / 896,243.40-1,344,365.10-778,145.40

Finding the Fourth Proportional to 896,243.40, 1,344,365.10 and 778,145.40

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Solution

The fourth proportional to 896,243.40, 1,344,365.10 and 778,145.40 is: 1,167,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,243.40 : 1,344,365.10 = 778,145.40 : x
  2. Step 2: Convert to fraction form
    896,243.40/1,344,365.10 = 778,145.40/x
  3. Step 3: Cross multiply
    896,243.40x = 1,344,365.10 × 778,145.40
  4. Step 4: Simplify right side
    896,243.40x = 1,046,111,518,485.54
  5. Step 5: Solve for x
    x = 1,046,111,518,485.54/896,243.40
  6. Step 6: Final answer
    x = 1,167,218.10

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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.