Home / 1,235,221.21-1,852,981.26-436,339.27

Finding the Fourth Proportional to 1,235,221.21, 1,852,981.26 and 436,339.27

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Solution

The fourth proportional to 1,235,221.21, 1,852,981.26 and 436,339.27 is: 654,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,221.21 : 1,852,981.26 = 436,339.27 : x
  2. Step 2: Convert to fraction form
    1,235,221.21/1,852,981.26 = 436,339.27/x
  3. Step 3: Cross multiply
    1,235,221.21x = 1,852,981.26 × 436,339.27
  4. Step 4: Simplify right side
    1,235,221.21x = 808,528,490,312.08
  5. Step 5: Solve for x
    x = 808,528,490,312.08/1,235,221.21
  6. Step 6: Final answer
    x = 654,561.70

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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.