Home / 1,285,293.96-1,927,552.74-386,497.10

Finding the Fourth Proportional to 1,285,293.96, 1,927,552.74 and 386,497.10

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Solution

The fourth proportional to 1,285,293.96, 1,927,552.74 and 386,497.10 is: 579,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,293.96 : 1,927,552.74 = 386,497.10 : x
  2. Step 2: Convert to fraction form
    1,285,293.96/1,927,552.74 = 386,497.10/x
  3. Step 3: Cross multiply
    1,285,293.96x = 1,927,552.74 × 386,497.10
  4. Step 4: Simplify right side
    1,285,293.96x = 744,993,547,476.57
  5. Step 5: Solve for x
    x = 744,993,547,476.57/1,285,293.96
  6. Step 6: Final answer
    x = 579,628.92

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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.