Home / 730,484.06-1,008,048.65-408,196.80

Finding the Fourth Proportional to 730,484.06, 1,008,048.65 and 408,196.80

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Solution

The fourth proportional to 730,484.06, 1,008,048.65 and 408,196.80 is: 563,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,484.06 : 1,008,048.65 = 408,196.80 : x
  2. Step 2: Convert to fraction form
    730,484.06/1,008,048.65 = 408,196.80/x
  3. Step 3: Cross multiply
    730,484.06x = 1,008,048.65 × 408,196.80
  4. Step 4: Simplify right side
    730,484.06x = 411,482,233,174.32
  5. Step 5: Solve for x
    x = 411,482,233,174.32/730,484.06
  6. Step 6: Final answer
    x = 563,300.77

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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.