Home / 628,905.60-943,358.40-604,022.40

Finding the Fourth Proportional to 628,905.60, 943,358.40 and 604,022.40

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Solution

The fourth proportional to 628,905.60, 943,358.40 and 604,022.40 is: 906,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,905.60 : 943,358.40 = 604,022.40 : x
  2. Step 2: Convert to fraction form
    628,905.60/943,358.40 = 604,022.40/x
  3. Step 3: Cross multiply
    628,905.60x = 943,358.40 × 604,022.40
  4. Step 4: Simplify right side
    628,905.60x = 569,809,604,828.16
  5. Step 5: Solve for x
    x = 569,809,604,828.16/628,905.60
  6. Step 6: Final answer
    x = 906,033.60

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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.