Home / 554,970.04-765,776.56-325,440.72

Finding the Fourth Proportional to 554,970.04, 765,776.56 and 325,440.72

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Solution

The fourth proportional to 554,970.04, 765,776.56 and 325,440.72 is: 449,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,970.04 : 765,776.56 = 325,440.72 : x
  2. Step 2: Convert to fraction form
    554,970.04/765,776.56 = 325,440.72/x
  3. Step 3: Cross multiply
    554,970.04x = 765,776.56 × 325,440.72
  4. Step 4: Simplify right side
    554,970.04x = 249,214,875,045.52
  5. Step 5: Solve for x
    x = 249,214,875,045.52/554,970.04
  6. Step 6: Final answer
    x = 449,060.05

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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.