Home / 1,029,051.95-1,543,578.53-429,686.37

Finding the Fourth Proportional to 1,029,051.95, 1,543,578.53 and 429,686.37

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Solution

The fourth proportional to 1,029,051.95, 1,543,578.53 and 429,686.37 is: 644,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,051.95 : 1,543,578.53 = 429,686.37 : x
  2. Step 2: Convert to fraction form
    1,029,051.95/1,543,578.53 = 429,686.37/x
  3. Step 3: Cross multiply
    1,029,051.95x = 1,543,578.53 × 429,686.37
  4. Step 4: Simplify right side
    1,029,051.95x = 663,254,653,217.20
  5. Step 5: Solve for x
    x = 663,254,653,217.20/1,029,051.95
  6. Step 6: Final answer
    x = 644,529.81

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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.