Home / 912,884.40-1,369,326.60-463,674.60

Finding the Fourth Proportional to 912,884.40, 1,369,326.60 and 463,674.60

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Solution

The fourth proportional to 912,884.40, 1,369,326.60 and 463,674.60 is: 695,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,884.40 : 1,369,326.60 = 463,674.60 : x
  2. Step 2: Convert to fraction form
    912,884.40/1,369,326.60 = 463,674.60/x
  3. Step 3: Cross multiply
    912,884.40x = 1,369,326.60 × 463,674.60
  4. Step 4: Simplify right side
    912,884.40x = 634,921,963,524.36
  5. Step 5: Solve for x
    x = 634,921,963,524.36/912,884.40
  6. Step 6: Final answer
    x = 695,511.90

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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.