Home / 1,696,278.81-2,544,541.74-631,320.51

Finding the Fourth Proportional to 1,696,278.81, 2,544,541.74 and 631,320.51

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Solution

The fourth proportional to 1,696,278.81, 2,544,541.74 and 631,320.51 is: 947,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,278.81 : 2,544,541.74 = 631,320.51 : x
  2. Step 2: Convert to fraction form
    1,696,278.81/2,544,541.74 = 631,320.51/x
  3. Step 3: Cross multiply
    1,696,278.81x = 2,544,541.74 × 631,320.51
  4. Step 4: Simplify right side
    1,696,278.81x = 1,606,421,389,013.09
  5. Step 5: Solve for x
    x = 1,606,421,389,013.09/1,696,278.81
  6. Step 6: Final answer
    x = 947,026.74

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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.