Home / 698,048.23-1,047,072.35-199,412.23

Finding the Fourth Proportional to 698,048.23, 1,047,072.35 and 199,412.23

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Solution

The fourth proportional to 698,048.23, 1,047,072.35 and 199,412.23 is: 299,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,048.23 : 1,047,072.35 = 199,412.23 : x
  2. Step 2: Convert to fraction form
    698,048.23/1,047,072.35 = 199,412.23/x
  3. Step 3: Cross multiply
    698,048.23x = 1,047,072.35 × 199,412.23
  4. Step 4: Simplify right side
    698,048.23x = 208,799,032,284.84
  5. Step 5: Solve for x
    x = 208,799,032,284.84/698,048.23
  6. Step 6: Final answer
    x = 299,118.35

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