Home / 808,841.40-1,213,262.10-651,377.40

Finding the Fourth Proportional to 808,841.40, 1,213,262.10 and 651,377.40

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Solution

The fourth proportional to 808,841.40, 1,213,262.10 and 651,377.40 is: 977,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,841.40 : 1,213,262.10 = 651,377.40 : x
  2. Step 2: Convert to fraction form
    808,841.40/1,213,262.10 = 651,377.40/x
  3. Step 3: Cross multiply
    808,841.40x = 1,213,262.10 × 651,377.40
  4. Step 4: Simplify right side
    808,841.40x = 790,291,512,216.54
  5. Step 5: Solve for x
    x = 790,291,512,216.54/808,841.40
  6. Step 6: Final answer
    x = 977,066.10

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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.