Home / 1,017,560.40-1,526,340.60-307,514.40

Finding the Fourth Proportional to 1,017,560.40, 1,526,340.60 and 307,514.40

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Solution

The fourth proportional to 1,017,560.40, 1,526,340.60 and 307,514.40 is: 461,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,560.40 : 1,526,340.60 = 307,514.40 : x
  2. Step 2: Convert to fraction form
    1,017,560.40/1,526,340.60 = 307,514.40/x
  3. Step 3: Cross multiply
    1,017,560.40x = 1,526,340.60 × 307,514.40
  4. Step 4: Simplify right side
    1,017,560.40x = 469,371,713,804.64
  5. Step 5: Solve for x
    x = 469,371,713,804.64/1,017,560.40
  6. Step 6: Final answer
    x = 461,271.60

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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.