Home / 830,920.77-1,145,909.58-544,598.73

Finding the Fourth Proportional to 830,920.77, 1,145,909.58 and 544,598.73

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Solution

The fourth proportional to 830,920.77, 1,145,909.58 and 544,598.73 is: 751,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,920.77 : 1,145,909.58 = 544,598.73 : x
  2. Step 2: Convert to fraction form
    830,920.77/1,145,909.58 = 544,598.73/x
  3. Step 3: Cross multiply
    830,920.77x = 1,145,909.58 × 544,598.73
  4. Step 4: Simplify right side
    830,920.77x = 624,060,901,962.83
  5. Step 5: Solve for x
    x = 624,060,901,962.83/830,920.77
  6. Step 6: Final answer
    x = 751,047.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.