Home / 904,702.35-1,248,400.88-522,720.93

Finding the Fourth Proportional to 904,702.35, 1,248,400.88 and 522,720.93

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Solution

The fourth proportional to 904,702.35, 1,248,400.88 and 522,720.93 is: 721,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,702.35 : 1,248,400.88 = 522,720.93 : x
  2. Step 2: Convert to fraction form
    904,702.35/1,248,400.88 = 522,720.93/x
  3. Step 3: Cross multiply
    904,702.35x = 1,248,400.88 × 522,720.93
  4. Step 4: Simplify right side
    904,702.35x = 652,565,266,392.81
  5. Step 5: Solve for x
    x = 652,565,266,392.81/904,702.35
  6. Step 6: Final answer
    x = 721,303.83

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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.