Home / 1,572,933-2,359,408.14-390,981

Finding the Fourth Proportional to 1,572,933, 2,359,408.14 and 390,981

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Solution

The fourth proportional to 1,572,933, 2,359,408.14 and 390,981 is: 586,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,933 : 2,359,408.14 = 390,981 : x
  2. Step 2: Convert to fraction form
    1,572,933/2,359,408.14 = 390,981/x
  3. Step 3: Cross multiply
    1,572,933x = 2,359,408.14 × 390,981
  4. Step 4: Simplify right side
    1,572,933x = 922,483,753,985.34
  5. Step 5: Solve for x
    x = 922,483,753,985.34/1,572,933
  6. Step 6: Final answer
    x = 586,473.65

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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.