Home / 1,054,518.61-1,581,780.23-381,075.53

Finding the Fourth Proportional to 1,054,518.61, 1,581,780.23 and 381,075.53

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Solution

The fourth proportional to 1,054,518.61, 1,581,780.23 and 381,075.53 is: 571,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,518.61 : 1,581,780.23 = 381,075.53 : x
  2. Step 2: Convert to fraction form
    1,054,518.61/1,581,780.23 = 381,075.53/x
  3. Step 3: Cross multiply
    1,054,518.61x = 1,581,780.23 × 381,075.53
  4. Step 4: Simplify right side
    1,054,518.61x = 602,777,739,490.77
  5. Step 5: Solve for x
    x = 602,777,739,490.77/1,054,518.61
  6. Step 6: Final answer
    x = 571,614.13

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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.