Home / 1,405,531.10-1,939,597.00-785,341.10

Finding the Fourth Proportional to 1,405,531.10, 1,939,597.00 and 785,341.10

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Solution

The fourth proportional to 1,405,531.10, 1,939,597.00 and 785,341.10 is: 1,083,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,531.10 : 1,939,597.00 = 785,341.10 : x
  2. Step 2: Convert to fraction form
    1,405,531.10/1,939,597.00 = 785,341.10/x
  3. Step 3: Cross multiply
    1,405,531.10x = 1,939,597.00 × 785,341.10
  4. Step 4: Simplify right side
    1,405,531.10x = 1,523,245,229,875.36
  5. Step 5: Solve for x
    x = 1,523,245,229,875.36/1,405,531.10
  6. Step 6: Final answer
    x = 1,083,750.64

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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.