Home / 692,023.70-1,038,035.55-617,228.30

Finding the Fourth Proportional to 692,023.70, 1,038,035.55 and 617,228.30

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Solution

The fourth proportional to 692,023.70, 1,038,035.55 and 617,228.30 is: 925,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,023.70 : 1,038,035.55 = 617,228.30 : x
  2. Step 2: Convert to fraction form
    692,023.70/1,038,035.55 = 617,228.30/x
  3. Step 3: Cross multiply
    692,023.70x = 1,038,035.55 × 617,228.30
  4. Step 4: Simplify right side
    692,023.70x = 640,704,917,866.07
  5. Step 5: Solve for x
    x = 640,704,917,866.07/692,023.70
  6. Step 6: Final answer
    x = 925,842.45

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Half scale
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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.