Home / 1,762,028.40-2,643,042.60-499,897.20

Finding the Fourth Proportional to 1,762,028.40, 2,643,042.60 and 499,897.20

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Solution

The fourth proportional to 1,762,028.40, 2,643,042.60 and 499,897.20 is: 749,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,028.40 : 2,643,042.60 = 499,897.20 : x
  2. Step 2: Convert to fraction form
    1,762,028.40/2,643,042.60 = 499,897.20/x
  3. Step 3: Cross multiply
    1,762,028.40x = 2,643,042.60 × 499,897.20
  4. Step 4: Simplify right side
    1,762,028.40x = 1,321,249,595,220.72
  5. Step 5: Solve for x
    x = 1,321,249,595,220.72/1,762,028.40
  6. Step 6: Final answer
    x = 749,845.80

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Double scale
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Similar ratio
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1.5x scale

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.