Home / 1,065,021.40-1,597,532.10-645,117.40

Finding the Fourth Proportional to 1,065,021.40, 1,597,532.10 and 645,117.40

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Solution

The fourth proportional to 1,065,021.40, 1,597,532.10 and 645,117.40 is: 967,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,021.40 : 1,597,532.10 = 645,117.40 : x
  2. Step 2: Convert to fraction form
    1,065,021.40/1,597,532.10 = 645,117.40/x
  3. Step 3: Cross multiply
    1,065,021.40x = 1,597,532.10 × 645,117.40
  4. Step 4: Simplify right side
    1,065,021.40x = 1,030,595,754,768.54
  5. Step 5: Solve for x
    x = 1,030,595,754,768.54/1,065,021.40
  6. Step 6: Final answer
    x = 967,676.10

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Double scale
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Similar ratio
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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.