Home / 977,407.80-1,466,111.70-890,802.60

Finding the Fourth Proportional to 977,407.80, 1,466,111.70 and 890,802.60

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Solution

The fourth proportional to 977,407.80, 1,466,111.70 and 890,802.60 is: 1,336,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,407.80 : 1,466,111.70 = 890,802.60 : x
  2. Step 2: Convert to fraction form
    977,407.80/1,466,111.70 = 890,802.60/x
  3. Step 3: Cross multiply
    977,407.80x = 1,466,111.70 × 890,802.60
  4. Step 4: Simplify right side
    977,407.80x = 1,306,016,114,250.42
  5. Step 5: Solve for x
    x = 1,306,016,114,250.42/977,407.80
  6. Step 6: Final answer
    x = 1,336,203.90

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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.