Home / 830,587.80-1,245,881.70-822,714.60

Finding the Fourth Proportional to 830,587.80, 1,245,881.70 and 822,714.60

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Solution

The fourth proportional to 830,587.80, 1,245,881.70 and 822,714.60 is: 1,234,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,587.80 : 1,245,881.70 = 822,714.60 : x
  2. Step 2: Convert to fraction form
    830,587.80/1,245,881.70 = 822,714.60/x
  3. Step 3: Cross multiply
    830,587.80x = 1,245,881.70 × 822,714.60
  4. Step 4: Simplify right side
    830,587.80x = 1,025,005,064,462.82
  5. Step 5: Solve for x
    x = 1,025,005,064,462.82/830,587.80
  6. Step 6: Final answer
    x = 1,234,071.90

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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.