Home / 813,918.84-1,123,275.35-451,459.82

Finding the Fourth Proportional to 813,918.84, 1,123,275.35 and 451,459.82

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Solution

The fourth proportional to 813,918.84, 1,123,275.35 and 451,459.82 is: 623,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,918.84 : 1,123,275.35 = 451,459.82 : x
  2. Step 2: Convert to fraction form
    813,918.84/1,123,275.35 = 451,459.82/x
  3. Step 3: Cross multiply
    813,918.84x = 1,123,275.35 × 451,459.82
  4. Step 4: Simplify right side
    813,918.84x = 507,113,679,447.76
  5. Step 5: Solve for x
    x = 507,113,679,447.76/813,918.84
  6. Step 6: Final answer
    x = 623,051.90

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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.