Home / 1,143,864.16-1,578,534.40-634,566.54

Finding the Fourth Proportional to 1,143,864.16, 1,578,534.40 and 634,566.54

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Solution

The fourth proportional to 1,143,864.16, 1,578,534.40 and 634,566.54 is: 875,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,864.16 : 1,578,534.40 = 634,566.54 : x
  2. Step 2: Convert to fraction form
    1,143,864.16/1,578,534.40 = 634,566.54/x
  3. Step 3: Cross multiply
    1,143,864.16x = 1,578,534.40 × 634,566.54
  4. Step 4: Simplify right side
    1,143,864.16x = 1,001,685,112,478.98
  5. Step 5: Solve for x
    x = 1,001,685,112,478.98/1,143,864.16
  6. Step 6: Final answer
    x = 875,702.86

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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.