Home / 693,189.40-1,039,784.10-464,866.60

Finding the Fourth Proportional to 693,189.40, 1,039,784.10 and 464,866.60

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Solution

The fourth proportional to 693,189.40, 1,039,784.10 and 464,866.60 is: 697,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,189.40 : 1,039,784.10 = 464,866.60 : x
  2. Step 2: Convert to fraction form
    693,189.40/1,039,784.10 = 464,866.60/x
  3. Step 3: Cross multiply
    693,189.40x = 1,039,784.10 × 464,866.60
  4. Step 4: Simplify right side
    693,189.40x = 483,360,899,301.06
  5. Step 5: Solve for x
    x = 483,360,899,301.06/693,189.40
  6. Step 6: Final answer
    x = 697,299.90

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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.