Home / 830,019.40-1,245,029.10-592,073.80

Finding the Fourth Proportional to 830,019.40, 1,245,029.10 and 592,073.80

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Solution

The fourth proportional to 830,019.40, 1,245,029.10 and 592,073.80 is: 888,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,019.40 : 1,245,029.10 = 592,073.80 : x
  2. Step 2: Convert to fraction form
    830,019.40/1,245,029.10 = 592,073.80/x
  3. Step 3: Cross multiply
    830,019.40x = 1,245,029.10 × 592,073.80
  4. Step 4: Simplify right side
    830,019.40x = 737,149,110,347.58
  5. Step 5: Solve for x
    x = 737,149,110,347.58/830,019.40
  6. Step 6: Final answer
    x = 888,110.70

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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.