Home / 763,862.64-1,054,094.68-424,351.60

Finding the Fourth Proportional to 763,862.64, 1,054,094.68 and 424,351.60

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Solution

The fourth proportional to 763,862.64, 1,054,094.68 and 424,351.60 is: 585,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,862.64 : 1,054,094.68 = 424,351.60 : x
  2. Step 2: Convert to fraction form
    763,862.64/1,054,094.68 = 424,351.60/x
  3. Step 3: Cross multiply
    763,862.64x = 1,054,094.68 × 424,351.60
  4. Step 4: Simplify right side
    763,862.64x = 447,306,764,009.49
  5. Step 5: Solve for x
    x = 447,306,764,009.49/763,862.64
  6. Step 6: Final answer
    x = 585,585.34

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Double scale
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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.