Home / 916,172.71-1,264,352.12-553,526.51

Finding the Fourth Proportional to 916,172.71, 1,264,352.12 and 553,526.51

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Solution

The fourth proportional to 916,172.71, 1,264,352.12 and 553,526.51 is: 763,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,172.71 : 1,264,352.12 = 553,526.51 : x
  2. Step 2: Convert to fraction form
    916,172.71/1,264,352.12 = 553,526.51/x
  3. Step 3: Cross multiply
    916,172.71x = 1,264,352.12 × 553,526.51
  4. Step 4: Simplify right side
    916,172.71x = 699,852,411,456.76
  5. Step 5: Solve for x
    x = 699,852,411,456.76/916,172.71
  6. Step 6: Final answer
    x = 763,886.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.