Home / 745,128.08-1,117,692.48-246,492.08

Finding the Fourth Proportional to 745,128.08, 1,117,692.48 and 246,492.08

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Solution

The fourth proportional to 745,128.08, 1,117,692.48 and 246,492.08 is: 369,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,128.08 : 1,117,692.48 = 246,492.08 : x
  2. Step 2: Convert to fraction form
    745,128.08/1,117,692.48 = 246,492.08/x
  3. Step 3: Cross multiply
    745,128.08x = 1,117,692.48 × 246,492.08
  4. Step 4: Simplify right side
    745,128.08x = 275,502,344,195.56
  5. Step 5: Solve for x
    x = 275,502,344,195.56/745,128.08
  6. Step 6: Final answer
    x = 369,738.24

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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.