Home / 881,193.51-1,321,521.17-609,386.90

Finding the Fourth Proportional to 881,193.51, 1,321,521.17 and 609,386.90

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Solution

The fourth proportional to 881,193.51, 1,321,521.17 and 609,386.90 is: 913,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,193.51 : 1,321,521.17 = 609,386.90 : x
  2. Step 2: Convert to fraction form
    881,193.51/1,321,521.17 = 609,386.90/x
  3. Step 3: Cross multiply
    881,193.51x = 1,321,521.17 × 609,386.90
  4. Step 4: Simplify right side
    881,193.51x = 805,317,679,416.13
  5. Step 5: Solve for x
    x = 805,317,679,416.13/881,193.51
  6. Step 6: Final answer
    x = 913,894.25

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Double scale
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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.