Home / 506,836.02-699,512.24-289,045.16

Finding the Fourth Proportional to 506,836.02, 699,512.24 and 289,045.16

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Solution

The fourth proportional to 506,836.02, 699,512.24 and 289,045.16 is: 398,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,836.02 : 699,512.24 = 289,045.16 : x
  2. Step 2: Convert to fraction form
    506,836.02/699,512.24 = 289,045.16/x
  3. Step 3: Cross multiply
    506,836.02x = 699,512.24 × 289,045.16
  4. Step 4: Simplify right side
    506,836.02x = 202,190,627,332.76
  5. Step 5: Solve for x
    x = 202,190,627,332.76/506,836.02
  6. Step 6: Final answer
    x = 398,927.11

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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.