Home / 998,065.80-1,498,038.30-525,090.60

Finding the Fourth Proportional to 998,065.80, 1,498,038.30 and 525,090.60

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Solution

The fourth proportional to 998,065.80, 1,498,038.30 and 525,090.60 is: 788,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,065.80 : 1,498,038.30 = 525,090.60 : x
  2. Step 2: Convert to fraction form
    998,065.80/1,498,038.30 = 525,090.60/x
  3. Step 3: Cross multiply
    998,065.80x = 1,498,038.30 × 525,090.60
  4. Step 4: Simplify right side
    998,065.80x = 786,605,829,769.98
  5. Step 5: Solve for x
    x = 786,605,829,769.98/998,065.80
  6. Step 6: Final answer
    x = 788,130.23

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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.