Home / 1,685,554.20-2,528,659.35-487,515.60

Finding the Fourth Proportional to 1,685,554.20, 2,528,659.35 and 487,515.60

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Solution

The fourth proportional to 1,685,554.20, 2,528,659.35 and 487,515.60 is: 731,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,554.20 : 2,528,659.35 = 487,515.60 : x
  2. Step 2: Convert to fraction form
    1,685,554.20/2,528,659.35 = 487,515.60/x
  3. Step 3: Cross multiply
    1,685,554.20x = 2,528,659.35 × 487,515.60
  4. Step 4: Simplify right side
    1,685,554.20x = 1,232,760,880,210.86
  5. Step 5: Solve for x
    x = 1,232,760,880,210.86/1,685,554.20
  6. Step 6: Final answer
    x = 731,368.28

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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.