Home / 899,445.44-1,349,541.80-393,746.10

Finding the Fourth Proportional to 899,445.44, 1,349,541.80 and 393,746.10

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Solution

The fourth proportional to 899,445.44, 1,349,541.80 and 393,746.10 is: 590,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,445.44 : 1,349,541.80 = 393,746.10 : x
  2. Step 2: Convert to fraction form
    899,445.44/1,349,541.80 = 393,746.10/x
  3. Step 3: Cross multiply
    899,445.44x = 1,349,541.80 × 393,746.10
  4. Step 4: Simplify right side
    899,445.44x = 531,376,820,536.98
  5. Step 5: Solve for x
    x = 531,376,820,536.98/899,445.44
  6. Step 6: Final answer
    x = 590,782.72

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Double scale
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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.