Home / 976,869.09-1,348,150.83-589,779.81

Finding the Fourth Proportional to 976,869.09, 1,348,150.83 and 589,779.81

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Solution

The fourth proportional to 976,869.09, 1,348,150.83 and 589,779.81 is: 813,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,869.09 : 1,348,150.83 = 589,779.81 : x
  2. Step 2: Convert to fraction form
    976,869.09/1,348,150.83 = 589,779.81/x
  3. Step 3: Cross multiply
    976,869.09x = 1,348,150.83 × 589,779.81
  4. Step 4: Simplify right side
    976,869.09x = 795,112,140,368.74
  5. Step 5: Solve for x
    x = 795,112,140,368.74/976,869.09
  6. Step 6: Final answer
    x = 813,939.30

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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.