Home / 831,898.16-1,148,019.68-469,398.84

Finding the Fourth Proportional to 831,898.16, 1,148,019.68 and 469,398.84

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Solution

The fourth proportional to 831,898.16, 1,148,019.68 and 469,398.84 is: 647,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,898.16 : 1,148,019.68 = 469,398.84 : x
  2. Step 2: Convert to fraction form
    831,898.16/1,148,019.68 = 469,398.84/x
  3. Step 3: Cross multiply
    831,898.16x = 1,148,019.68 × 469,398.84
  4. Step 4: Simplify right side
    831,898.16x = 538,879,106,089.17
  5. Step 5: Solve for x
    x = 538,879,106,089.17/831,898.16
  6. Step 6: Final answer
    x = 647,770.52

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Double scale
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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.