Home / 1,252,953.68-1,729,089-679,998.80

Finding the Fourth Proportional to 1,252,953.68, 1,729,089 and 679,998.80

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Solution

The fourth proportional to 1,252,953.68, 1,729,089 and 679,998.80 is: 938,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,953.68 : 1,729,089 = 679,998.80 : x
  2. Step 2: Convert to fraction form
    1,252,953.68/1,729,089 = 679,998.80/x
  3. Step 3: Cross multiply
    1,252,953.68x = 1,729,089 × 679,998.80
  4. Step 4: Simplify right side
    1,252,953.68x = 1,175,778,445,093.20
  5. Step 5: Solve for x
    x = 1,175,778,445,093.20/1,252,953.68
  6. Step 6: Final answer
    x = 938,405.36

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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.