Home / 690,547.32-952,984.70-384,623.62

Finding the Fourth Proportional to 690,547.32, 952,984.70 and 384,623.62

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Solution

The fourth proportional to 690,547.32, 952,984.70 and 384,623.62 is: 530,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,547.32 : 952,984.70 = 384,623.62 : x
  2. Step 2: Convert to fraction form
    690,547.32/952,984.70 = 384,623.62/x
  3. Step 3: Cross multiply
    690,547.32x = 952,984.70 × 384,623.62
  4. Step 4: Simplify right side
    690,547.32x = 366,540,425,118.61
  5. Step 5: Solve for x
    x = 366,540,425,118.61/690,547.32
  6. Step 6: Final answer
    x = 530,796.97

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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.