Home / 1,145,376.73-1,580,576.58-636,111.91

Finding the Fourth Proportional to 1,145,376.73, 1,580,576.58 and 636,111.91

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Solution

The fourth proportional to 1,145,376.73, 1,580,576.58 and 636,111.91 is: 877,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,376.73 : 1,580,576.58 = 636,111.91 : x
  2. Step 2: Convert to fraction form
    1,145,376.73/1,580,576.58 = 636,111.91/x
  3. Step 3: Cross multiply
    1,145,376.73x = 1,580,576.58 × 636,111.91
  4. Step 4: Simplify right side
    1,145,376.73x = 1,005,423,583,253.63
  5. Step 5: Solve for x
    x = 1,005,423,583,253.63/1,145,376.73
  6. Step 6: Final answer
    x = 877,810.38

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1.5x scale

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.