Home / 740,566.17-1,021,975.38-401,034.42

Finding the Fourth Proportional to 740,566.17, 1,021,975.38 and 401,034.42

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Solution

The fourth proportional to 740,566.17, 1,021,975.38 and 401,034.42 is: 553,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,566.17 : 1,021,975.38 = 401,034.42 : x
  2. Step 2: Convert to fraction form
    740,566.17/1,021,975.38 = 401,034.42/x
  3. Step 3: Cross multiply
    740,566.17x = 1,021,975.38 × 401,034.42
  4. Step 4: Simplify right side
    740,566.17x = 409,847,303,772.58
  5. Step 5: Solve for x
    x = 409,847,303,772.58/740,566.17
  6. Step 6: Final answer
    x = 553,424.29

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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.