Home / 711,392.08-981,752.52-409,683.28

Finding the Fourth Proportional to 711,392.08, 981,752.52 and 409,683.28

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Solution

The fourth proportional to 711,392.08, 981,752.52 and 409,683.28 is: 565,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,392.08 : 981,752.52 = 409,683.28 : x
  2. Step 2: Convert to fraction form
    711,392.08/981,752.52 = 409,683.28/x
  3. Step 3: Cross multiply
    711,392.08x = 981,752.52 × 409,683.28
  4. Step 4: Simplify right side
    711,392.08x = 402,207,592,541.87
  5. Step 5: Solve for x
    x = 402,207,592,541.87/711,392.08
  6. Step 6: Final answer
    x = 565,381.04

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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.