Home / 593,612.16-819,182.88-321,681.12

Finding the Fourth Proportional to 593,612.16, 819,182.88 and 321,681.12

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Solution

The fourth proportional to 593,612.16, 819,182.88 and 321,681.12 is: 443,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,612.16 : 819,182.88 = 321,681.12 : x
  2. Step 2: Convert to fraction form
    593,612.16/819,182.88 = 321,681.12/x
  3. Step 3: Cross multiply
    593,612.16x = 819,182.88 × 321,681.12
  4. Step 4: Simplify right side
    593,612.16x = 263,515,666,323.23
  5. Step 5: Solve for x
    x = 263,515,666,323.23/593,612.16
  6. Step 6: Final answer
    x = 443,918.92

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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.