Home / 651,610.40-977,415.60-604,371.20

Finding the Fourth Proportional to 651,610.40, 977,415.60 and 604,371.20

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Solution

The fourth proportional to 651,610.40, 977,415.60 and 604,371.20 is: 906,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,610.40 : 977,415.60 = 604,371.20 : x
  2. Step 2: Convert to fraction form
    651,610.40/977,415.60 = 604,371.20/x
  3. Step 3: Cross multiply
    651,610.40x = 977,415.60 × 604,371.20
  4. Step 4: Simplify right side
    651,610.40x = 590,721,839,070.72
  5. Step 5: Solve for x
    x = 590,721,839,070.72/651,610.40
  6. Step 6: Final answer
    x = 906,556.80

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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.