Home / 942,169.58-1,300,130.02-512,440.48

Finding the Fourth Proportional to 942,169.58, 1,300,130.02 and 512,440.48

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Solution

The fourth proportional to 942,169.58, 1,300,130.02 and 512,440.48 is: 707,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,169.58 : 1,300,130.02 = 512,440.48 : x
  2. Step 2: Convert to fraction form
    942,169.58/1,300,130.02 = 512,440.48/x
  3. Step 3: Cross multiply
    942,169.58x = 1,300,130.02 × 512,440.48
  4. Step 4: Simplify right side
    942,169.58x = 666,239,251,511.21
  5. Step 5: Solve for x
    x = 666,239,251,511.21/942,169.58
  6. Step 6: Final answer
    x = 707,133.05

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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.