Home / 1,181,256.40-1,773,196.80-649,815.40

Finding the Fourth Proportional to 1,181,256.40, 1,773,196.80 and 649,815.40

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Solution

The fourth proportional to 1,181,256.40, 1,773,196.80 and 649,815.40 is: 975,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,256.40 : 1,773,196.80 = 649,815.40 : x
  2. Step 2: Convert to fraction form
    1,181,256.40/1,773,196.80 = 649,815.40/x
  3. Step 3: Cross multiply
    1,181,256.40x = 1,773,196.80 × 649,815.40
  4. Step 4: Simplify right side
    1,181,256.40x = 1,152,250,587,870.72
  5. Step 5: Solve for x
    x = 1,152,250,587,870.72/1,181,256.40
  6. Step 6: Final answer
    x = 975,444.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.