Home / 705,975.46-974,253.68-383,685.57

Finding the Fourth Proportional to 705,975.46, 974,253.68 and 383,685.57

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Solution

The fourth proportional to 705,975.46, 974,253.68 and 383,685.57 is: 529,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,975.46 : 974,253.68 = 383,685.57 : x
  2. Step 2: Convert to fraction form
    705,975.46/974,253.68 = 383,685.57/x
  3. Step 3: Cross multiply
    705,975.46x = 974,253.68 × 383,685.57
  4. Step 4: Simplify right side
    705,975.46x = 373,807,078,055.79
  5. Step 5: Solve for x
    x = 373,807,078,055.79/705,975.46
  6. Step 6: Final answer
    x = 529,490.19

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Half scale
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Double scale
Find fourth proportional to 705,976.46, 974,255.06 and 383,686.57
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.