Home / 674,071.08-930,397.38-419,277.48

Finding the Fourth Proportional to 674,071.08, 930,397.38 and 419,277.48

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Solution

The fourth proportional to 674,071.08, 930,397.38 and 419,277.48 is: 578,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,071.08 : 930,397.38 = 419,277.48 : x
  2. Step 2: Convert to fraction form
    674,071.08/930,397.38 = 419,277.48/x
  3. Step 3: Cross multiply
    674,071.08x = 930,397.38 × 419,277.48
  4. Step 4: Simplify right side
    674,071.08x = 390,094,668,885.00
  5. Step 5: Solve for x
    x = 390,094,668,885.00/674,071.08
  6. Step 6: Final answer
    x = 578,714.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.