Home / 904,658.45-1,248,528.20-517,509.63

Finding the Fourth Proportional to 904,658.45, 1,248,528.20 and 517,509.63

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Solution

The fourth proportional to 904,658.45, 1,248,528.20 and 517,509.63 is: 714,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,658.45 : 1,248,528.20 = 517,509.63 : x
  2. Step 2: Convert to fraction form
    904,658.45/1,248,528.20 = 517,509.63/x
  3. Step 3: Cross multiply
    904,658.45x = 1,248,528.20 × 517,509.63
  4. Step 4: Simplify right side
    904,658.45x = 646,125,364,239.02
  5. Step 5: Solve for x
    x = 646,125,364,239.02/904,658.45
  6. Step 6: Final answer
    x = 714,220.23

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Double scale
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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.