Home / 965,514.60-1,448,271.90-612,095.40

Finding the Fourth Proportional to 965,514.60, 1,448,271.90 and 612,095.40

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Solution

The fourth proportional to 965,514.60, 1,448,271.90 and 612,095.40 is: 918,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,514.60 : 1,448,271.90 = 612,095.40 : x
  2. Step 2: Convert to fraction form
    965,514.60/1,448,271.90 = 612,095.40/x
  3. Step 3: Cross multiply
    965,514.60x = 1,448,271.90 × 612,095.40
  4. Step 4: Simplify right side
    965,514.60x = 886,480,567,939.26
  5. Step 5: Solve for x
    x = 886,480,567,939.26/965,514.60
  6. Step 6: Final answer
    x = 918,143.10

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Double scale
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Similar ratio
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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.