Home / 1,154,671.17-1,593,421.28-638,405.22

Finding the Fourth Proportional to 1,154,671.17, 1,593,421.28 and 638,405.22

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Solution

The fourth proportional to 1,154,671.17, 1,593,421.28 and 638,405.22 is: 880,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,671.17 : 1,593,421.28 = 638,405.22 : x
  2. Step 2: Convert to fraction form
    1,154,671.17/1,593,421.28 = 638,405.22/x
  3. Step 3: Cross multiply
    1,154,671.17x = 1,593,421.28 × 638,405.22
  4. Step 4: Simplify right side
    1,154,671.17x = 1,017,248,462,811.08
  5. Step 5: Solve for x
    x = 1,017,248,462,811.08/1,154,671.17
  6. Step 6: Final answer
    x = 880,985.42

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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.