Home / 673,292.46-929,189.12-386,926.70

Finding the Fourth Proportional to 673,292.46, 929,189.12 and 386,926.70

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Solution

The fourth proportional to 673,292.46, 929,189.12 and 386,926.70 is: 533,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,292.46 : 929,189.12 = 386,926.70 : x
  2. Step 2: Convert to fraction form
    673,292.46/929,189.12 = 386,926.70/x
  3. Step 3: Cross multiply
    673,292.46x = 929,189.12 × 386,926.70
  4. Step 4: Simplify right side
    673,292.46x = 359,528,079,877.50
  5. Step 5: Solve for x
    x = 359,528,079,877.50/673,292.46
  6. Step 6: Final answer
    x = 533,985.01

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Double scale
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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.