Home / 1,636,700.17-2,258,715.93-911,547.79

Finding the Fourth Proportional to 1,636,700.17, 2,258,715.93 and 911,547.79

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Solution

The fourth proportional to 1,636,700.17, 2,258,715.93 and 911,547.79 is: 1,257,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,700.17 : 2,258,715.93 = 911,547.79 : x
  2. Step 2: Convert to fraction form
    1,636,700.17/2,258,715.93 = 911,547.79/x
  3. Step 3: Cross multiply
    1,636,700.17x = 2,258,715.93 × 911,547.79
  4. Step 4: Simplify right side
    1,636,700.17x = 2,058,927,514,229.30
  5. Step 5: Solve for x
    x = 2,058,927,514,229.30/1,636,700.17
  6. Step 6: Final answer
    x = 1,257,974.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.