Home / 902,113.40-1,353,170.10-403,477.40

Finding the Fourth Proportional to 902,113.40, 1,353,170.10 and 403,477.40

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Solution

The fourth proportional to 902,113.40, 1,353,170.10 and 403,477.40 is: 605,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,113.40 : 1,353,170.10 = 403,477.40 : x
  2. Step 2: Convert to fraction form
    902,113.40/1,353,170.10 = 403,477.40/x
  3. Step 3: Cross multiply
    902,113.40x = 1,353,170.10 × 403,477.40
  4. Step 4: Simplify right side
    902,113.40x = 545,973,553,705.74
  5. Step 5: Solve for x
    x = 545,973,553,705.74/902,113.40
  6. Step 6: Final answer
    x = 605,216.10

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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.