Home / 673,127.86-928,919.10-367,210.76

Finding the Fourth Proportional to 673,127.86, 928,919.10 and 367,210.76

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Solution

The fourth proportional to 673,127.86, 928,919.10 and 367,210.76 is: 506,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,127.86 : 928,919.10 = 367,210.76 : x
  2. Step 2: Convert to fraction form
    673,127.86/928,919.10 = 367,210.76/x
  3. Step 3: Cross multiply
    673,127.86x = 928,919.10 × 367,210.76
  4. Step 4: Simplify right side
    673,127.86x = 341,109,088,689.52
  5. Step 5: Solve for x
    x = 341,109,088,689.52/673,127.86
  6. Step 6: Final answer
    x = 506,752.30

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.