Home / 6,477,009.60-9,715,514.40-1,988,702.40

Finding the Fourth Proportional to 6,477,009.60, 9,715,514.40 and 1,988,702.40

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Solution

The fourth proportional to 6,477,009.60, 9,715,514.40 and 1,988,702.40 is: 2,983,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,009.60 : 9,715,514.40 = 1,988,702.40 : x
  2. Step 2: Convert to fraction form
    6,477,009.60/9,715,514.40 = 1,988,702.40/x
  3. Step 3: Cross multiply
    6,477,009.60x = 9,715,514.40 × 1,988,702.40
  4. Step 4: Simplify right side
    6,477,009.60x = 19,321,266,804,514.56
  5. Step 5: Solve for x
    x = 19,321,266,804,514.56/6,477,009.60
  6. Step 6: Final answer
    x = 2,983,053.60

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1.5x scale

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.