Home / 1,141,830.39-1,712,538.66-458,689.68

Finding the Fourth Proportional to 1,141,830.39, 1,712,538.66 and 458,689.68

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Solution

The fourth proportional to 1,141,830.39, 1,712,538.66 and 458,689.68 is: 687,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,830.39 : 1,712,538.66 = 458,689.68 : x
  2. Step 2: Convert to fraction form
    1,141,830.39/1,712,538.66 = 458,689.68/x
  3. Step 3: Cross multiply
    1,141,830.39x = 1,712,538.66 × 458,689.68
  4. Step 4: Simplify right side
    1,141,830.39x = 785,523,803,368.23
  5. Step 5: Solve for x
    x = 785,523,803,368.23/1,141,830.39
  6. Step 6: Final answer
    x = 687,951.39

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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.