Home / 1,207,905.01-1,666,940.76-664,054.52

Finding the Fourth Proportional to 1,207,905.01, 1,666,940.76 and 664,054.52

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Solution

The fourth proportional to 1,207,905.01, 1,666,940.76 and 664,054.52 is: 916,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,905.01 : 1,666,940.76 = 664,054.52 : x
  2. Step 2: Convert to fraction form
    1,207,905.01/1,666,940.76 = 664,054.52/x
  3. Step 3: Cross multiply
    1,207,905.01x = 1,666,940.76 × 664,054.52
  4. Step 4: Simplify right side
    1,207,905.01x = 1,106,939,537,915.53
  5. Step 5: Solve for x
    x = 1,106,939,537,915.53/1,207,905.01
  6. Step 6: Final answer
    x = 916,412.74

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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.