Home / 1,447,127.71-1,996,985.95-802,607.87

Finding the Fourth Proportional to 1,447,127.71, 1,996,985.95 and 802,607.87

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Solution

The fourth proportional to 1,447,127.71, 1,996,985.95 and 802,607.87 is: 1,107,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,127.71 : 1,996,985.95 = 802,607.87 : x
  2. Step 2: Convert to fraction form
    1,447,127.71/1,996,985.95 = 802,607.87/x
  3. Step 3: Cross multiply
    1,447,127.71x = 1,996,985.95 × 802,607.87
  4. Step 4: Simplify right side
    1,447,127.71x = 1,602,796,642,735.37
  5. Step 5: Solve for x
    x = 1,602,796,642,735.37/1,447,127.71
  6. Step 6: Final answer
    x = 1,107,570.97

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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.