Home / 705,975.36-974,252.44-383,686.28

Finding the Fourth Proportional to 705,975.36, 974,252.44 and 383,686.28

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Solution

The fourth proportional to 705,975.36, 974,252.44 and 383,686.28 is: 529,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,975.36 : 974,252.44 = 383,686.28 : x
  2. Step 2: Convert to fraction form
    705,975.36/974,252.44 = 383,686.28/x
  3. Step 3: Cross multiply
    705,975.36x = 974,252.44 × 383,686.28
  4. Step 4: Simplify right side
    705,975.36x = 373,807,294,484.52
  5. Step 5: Solve for x
    x = 373,807,294,484.52/705,975.36
  6. Step 6: Final answer
    x = 529,490.57

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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.