Home / 1,280,411.01-1,920,881.66-522,254.66

Finding the Fourth Proportional to 1,280,411.01, 1,920,881.66 and 522,254.66

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Solution

The fourth proportional to 1,280,411.01, 1,920,881.66 and 522,254.66 is: 783,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,411.01 : 1,920,881.66 = 522,254.66 : x
  2. Step 2: Convert to fraction form
    1,280,411.01/1,920,881.66 = 522,254.66/x
  3. Step 3: Cross multiply
    1,280,411.01x = 1,920,881.66 × 522,254.66
  4. Step 4: Simplify right side
    1,280,411.01x = 1,003,189,386,027.85
  5. Step 5: Solve for x
    x = 1,003,189,386,027.85/1,280,411.01
  6. Step 6: Final answer
    x = 783,490.13

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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.