Home / 917,712.93-1,376,569.79-348,962.62

Finding the Fourth Proportional to 917,712.93, 1,376,569.79 and 348,962.62

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Solution

The fourth proportional to 917,712.93, 1,376,569.79 and 348,962.62 is: 523,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,712.93 : 1,376,569.79 = 348,962.62 : x
  2. Step 2: Convert to fraction form
    917,712.93/1,376,569.79 = 348,962.62/x
  3. Step 3: Cross multiply
    917,712.93x = 1,376,569.79 × 348,962.62
  4. Step 4: Simplify right side
    917,712.93x = 480,371,397,298.89
  5. Step 5: Solve for x
    x = 480,371,397,298.89/917,712.93
  6. Step 6: Final answer
    x = 523,444.08

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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.