Home / 983,731.08-1,357,553.52-554,018.52

Finding the Fourth Proportional to 983,731.08, 1,357,553.52 and 554,018.52

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Solution

The fourth proportional to 983,731.08, 1,357,553.52 and 554,018.52 is: 764,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,731.08 : 1,357,553.52 = 554,018.52 : x
  2. Step 2: Convert to fraction form
    983,731.08/1,357,553.52 = 554,018.52/x
  3. Step 3: Cross multiply
    983,731.08x = 1,357,553.52 × 554,018.52
  4. Step 4: Simplify right side
    983,731.08x = 752,109,791,971.19
  5. Step 5: Solve for x
    x = 752,109,791,971.19/983,731.08
  6. Step 6: Final answer
    x = 764,548.16

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1.5x scale

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.