Home / 1,051,603.20-1,577,404.80-341,654.40

Finding the Fourth Proportional to 1,051,603.20, 1,577,404.80 and 341,654.40

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Solution

The fourth proportional to 1,051,603.20, 1,577,404.80 and 341,654.40 is: 512,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,603.20 : 1,577,404.80 = 341,654.40 : x
  2. Step 2: Convert to fraction form
    1,051,603.20/1,577,404.80 = 341,654.40/x
  3. Step 3: Cross multiply
    1,051,603.20x = 1,577,404.80 × 341,654.40
  4. Step 4: Simplify right side
    1,051,603.20x = 538,927,290,501.12
  5. Step 5: Solve for x
    x = 538,927,290,501.12/1,051,603.20
  6. Step 6: Final answer
    x = 512,481.60

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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.