Home / 1,061,339.39-1,592,661.74-421,531.19

Finding the Fourth Proportional to 1,061,339.39, 1,592,661.74 and 421,531.19

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Solution

The fourth proportional to 1,061,339.39, 1,592,661.74 and 421,531.19 is: 632,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,339.39 : 1,592,661.74 = 421,531.19 : x
  2. Step 2: Convert to fraction form
    1,061,339.39/1,592,661.74 = 421,531.19/x
  3. Step 3: Cross multiply
    1,061,339.39x = 1,592,661.74 × 421,531.19
  4. Step 4: Simplify right side
    1,061,339.39x = 671,356,588,458.71
  5. Step 5: Solve for x
    x = 671,356,588,458.71/1,061,339.39
  6. Step 6: Final answer
    x = 632,555.99

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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.