Home / 631,478.16-947,927.14-252,666.20

Finding the Fourth Proportional to 631,478.16, 947,927.14 and 252,666.20

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Solution

The fourth proportional to 631,478.16, 947,927.14 and 252,666.20 is: 379,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,478.16 : 947,927.14 = 252,666.20 : x
  2. Step 2: Convert to fraction form
    631,478.16/947,927.14 = 252,666.20/x
  3. Step 3: Cross multiply
    631,478.16x = 947,927.14 × 252,666.20
  4. Step 4: Simplify right side
    631,478.16x = 239,509,150,078.82
  5. Step 5: Solve for x
    x = 239,509,150,078.82/631,478.16
  6. Step 6: Final answer
    x = 379,283.35

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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.