Home / 1,286,051.15-1,774,587.47-705,121.40

Finding the Fourth Proportional to 1,286,051.15, 1,774,587.47 and 705,121.40

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Solution

The fourth proportional to 1,286,051.15, 1,774,587.47 and 705,121.40 is: 972,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,051.15 : 1,774,587.47 = 705,121.40 : x
  2. Step 2: Convert to fraction form
    1,286,051.15/1,774,587.47 = 705,121.40/x
  3. Step 3: Cross multiply
    1,286,051.15x = 1,774,587.47 × 705,121.40
  4. Step 4: Simplify right side
    1,286,051.15x = 1,251,299,602,179.72
  5. Step 5: Solve for x
    x = 1,251,299,602,179.72/1,286,051.15
  6. Step 6: Final answer
    x = 972,978.10

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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.