Home / 588,010.56-811,430.64-346,303.20

Finding the Fourth Proportional to 588,010.56, 811,430.64 and 346,303.20

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Solution

The fourth proportional to 588,010.56, 811,430.64 and 346,303.20 is: 477,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,010.56 : 811,430.64 = 346,303.20 : x
  2. Step 2: Convert to fraction form
    588,010.56/811,430.64 = 346,303.20/x
  3. Step 3: Cross multiply
    588,010.56x = 811,430.64 × 346,303.20
  4. Step 4: Simplify right side
    588,010.56x = 281,001,027,210.05
  5. Step 5: Solve for x
    x = 281,001,027,210.05/588,010.56
  6. Step 6: Final answer
    x = 477,884.32

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.