Home / 1,429,341.68-2,143,557.29-469,574.50

Finding the Fourth Proportional to 1,429,341.68, 2,143,557.29 and 469,574.50

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Solution

The fourth proportional to 1,429,341.68, 2,143,557.29 and 469,574.50 is: 704,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,341.68 : 2,143,557.29 = 469,574.50 : x
  2. Step 2: Convert to fraction form
    1,429,341.68/2,143,557.29 = 469,574.50/x
  3. Step 3: Cross multiply
    1,429,341.68x = 2,143,557.29 × 469,574.50
  4. Step 4: Simplify right side
    1,429,341.68x = 1,006,559,829,607.45
  5. Step 5: Solve for x
    x = 1,006,559,829,607.45/1,429,341.68
  6. Step 6: Final answer
    x = 704,212.19

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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.