Home / 672,667.32-927,756.02-430,972.53

Finding the Fourth Proportional to 672,667.32, 927,756.02 and 430,972.53

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Solution

The fourth proportional to 672,667.32, 927,756.02 and 430,972.53 is: 594,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,667.32 : 927,756.02 = 430,972.53 : x
  2. Step 2: Convert to fraction form
    672,667.32/927,756.02 = 430,972.53/x
  3. Step 3: Cross multiply
    672,667.32x = 927,756.02 × 430,972.53
  4. Step 4: Simplify right side
    672,667.32x = 399,837,357,007.27
  5. Step 5: Solve for x
    x = 399,837,357,007.27/672,667.32
  6. Step 6: Final answer
    x = 594,405.80

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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.