Home / 942,364.80-1,300,475.52-512,656.56

Finding the Fourth Proportional to 942,364.80, 1,300,475.52 and 512,656.56

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Solution

The fourth proportional to 942,364.80, 1,300,475.52 and 512,656.56 is: 707,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,364.80 : 1,300,475.52 = 512,656.56 : x
  2. Step 2: Convert to fraction form
    942,364.80/1,300,475.52 = 512,656.56/x
  3. Step 3: Cross multiply
    942,364.80x = 1,300,475.52 × 512,656.56
  4. Step 4: Simplify right side
    942,364.80x = 666,697,306,447.41
  5. Step 5: Solve for x
    x = 666,697,306,447.41/942,364.80
  6. Step 6: Final answer
    x = 707,472.63

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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.