Home / 1,411,545.83-2,116,128.47-612,225.35

Finding the Fourth Proportional to 1,411,545.83, 2,116,128.47 and 612,225.35

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Solution

The fourth proportional to 1,411,545.83, 2,116,128.47 and 612,225.35 is: 917,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,545.83 : 2,116,128.47 = 612,225.35 : x
  2. Step 2: Convert to fraction form
    1,411,545.83/2,116,128.47 = 612,225.35/x
  3. Step 3: Cross multiply
    1,411,545.83x = 2,116,128.47 × 612,225.35
  4. Step 4: Simplify right side
    1,411,545.83x = 1,295,547,493,190.71
  5. Step 5: Solve for x
    x = 1,295,547,493,190.71/1,411,545.83
  6. Step 6: Final answer
    x = 917,821.77

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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.