Home / 1,531,899.16-2,113,979.54-852,835.72

Finding the Fourth Proportional to 1,531,899.16, 2,113,979.54 and 852,835.72

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Solution

The fourth proportional to 1,531,899.16, 2,113,979.54 and 852,835.72 is: 1,176,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,899.16 : 2,113,979.54 = 852,835.72 : x
  2. Step 2: Convert to fraction form
    1,531,899.16/2,113,979.54 = 852,835.72/x
  3. Step 3: Cross multiply
    1,531,899.16x = 2,113,979.54 × 852,835.72
  4. Step 4: Simplify right side
    1,531,899.16x = 1,802,877,263,061.17
  5. Step 5: Solve for x
    x = 1,802,877,263,061.17/1,531,899.16
  6. Step 6: Final answer
    x = 1,176,890.30

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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.