Home / 1,019,086.40-1,528,629.60-576,718.40

Finding the Fourth Proportional to 1,019,086.40, 1,528,629.60 and 576,718.40

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Solution

The fourth proportional to 1,019,086.40, 1,528,629.60 and 576,718.40 is: 865,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,086.40 : 1,528,629.60 = 576,718.40 : x
  2. Step 2: Convert to fraction form
    1,019,086.40/1,528,629.60 = 576,718.40/x
  3. Step 3: Cross multiply
    1,019,086.40x = 1,528,629.60 × 576,718.40
  4. Step 4: Simplify right side
    1,019,086.40x = 881,588,817,104.64
  5. Step 5: Solve for x
    x = 881,588,817,104.64/1,019,086.40
  6. Step 6: Final answer
    x = 865,077.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.