Home / 692,240.60-1,036,287.30-411,613.40

Finding the Fourth Proportional to 692,240.60, 1,036,287.30 and 411,613.40

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Solution

The fourth proportional to 692,240.60, 1,036,287.30 and 411,613.40 is: 616,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,240.60 : 1,036,287.30 = 411,613.40 : x
  2. Step 2: Convert to fraction form
    692,240.60/1,036,287.30 = 411,613.40/x
  3. Step 3: Cross multiply
    692,240.60x = 1,036,287.30 × 411,613.40
  4. Step 4: Simplify right side
    692,240.60x = 426,549,738,929.82
  5. Step 5: Solve for x
    x = 426,549,738,929.82/692,240.60
  6. Step 6: Final answer
    x = 616,187.12

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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.