Home / 877,558.20-1,316,337.30-405,166.20

Finding the Fourth Proportional to 877,558.20, 1,316,337.30 and 405,166.20

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Solution

The fourth proportional to 877,558.20, 1,316,337.30 and 405,166.20 is: 607,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,558.20 : 1,316,337.30 = 405,166.20 : x
  2. Step 2: Convert to fraction form
    877,558.20/1,316,337.30 = 405,166.20/x
  3. Step 3: Cross multiply
    877,558.20x = 1,316,337.30 × 405,166.20
  4. Step 4: Simplify right side
    877,558.20x = 533,335,381,759.26
  5. Step 5: Solve for x
    x = 533,335,381,759.26/877,558.20
  6. Step 6: Final answer
    x = 607,749.30

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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.