Home / 1,095,514.10-1,643,271.15-386,342.90

Finding the Fourth Proportional to 1,095,514.10, 1,643,271.15 and 386,342.90

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Solution

The fourth proportional to 1,095,514.10, 1,643,271.15 and 386,342.90 is: 579,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,514.10 : 1,643,271.15 = 386,342.90 : x
  2. Step 2: Convert to fraction form
    1,095,514.10/1,643,271.15 = 386,342.90/x
  3. Step 3: Cross multiply
    1,095,514.10x = 1,643,271.15 × 386,342.90
  4. Step 4: Simplify right side
    1,095,514.10x = 634,866,141,577.34
  5. Step 5: Solve for x
    x = 634,866,141,577.34/1,095,514.10
  6. Step 6: Final answer
    x = 579,514.35

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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.