Home / 839,833.40-1,259,750.10-524,905.40

Finding the Fourth Proportional to 839,833.40, 1,259,750.10 and 524,905.40

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Solution

The fourth proportional to 839,833.40, 1,259,750.10 and 524,905.40 is: 787,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,833.40 : 1,259,750.10 = 524,905.40 : x
  2. Step 2: Convert to fraction form
    839,833.40/1,259,750.10 = 524,905.40/x
  3. Step 3: Cross multiply
    839,833.40x = 1,259,750.10 × 524,905.40
  4. Step 4: Simplify right side
    839,833.40x = 661,249,630,140.54
  5. Step 5: Solve for x
    x = 661,249,630,140.54/839,833.40
  6. Step 6: Final answer
    x = 787,358.10

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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.