Home / 839,666.72-1,158,752.13-457,693.49

Finding the Fourth Proportional to 839,666.72, 1,158,752.13 and 457,693.49

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Solution

The fourth proportional to 839,666.72, 1,158,752.13 and 457,693.49 is: 631,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,666.72 : 1,158,752.13 = 457,693.49 : x
  2. Step 2: Convert to fraction form
    839,666.72/1,158,752.13 = 457,693.49/x
  3. Step 3: Cross multiply
    839,666.72x = 1,158,752.13 × 457,693.49
  4. Step 4: Simplify right side
    839,666.72x = 530,353,306,424.63
  5. Step 5: Solve for x
    x = 530,353,306,424.63/839,666.72
  6. Step 6: Final answer
    x = 631,623.59

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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.