Home / 651,689.06-977,686.59-202,386.74

Finding the Fourth Proportional to 651,689.06, 977,686.59 and 202,386.74

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Solution

The fourth proportional to 651,689.06, 977,686.59 and 202,386.74 is: 303,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,689.06 : 977,686.59 = 202,386.74 : x
  2. Step 2: Convert to fraction form
    651,689.06/977,686.59 = 202,386.74/x
  3. Step 3: Cross multiply
    651,689.06x = 977,686.59 × 202,386.74
  4. Step 4: Simplify right side
    651,689.06x = 197,870,801,691.82
  5. Step 5: Solve for x
    x = 197,870,801,691.82/651,689.06
  6. Step 6: Final answer
    x = 303,627.63

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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.