Home / 770,590.32-1,063,455.96-431,038.32

Finding the Fourth Proportional to 770,590.32, 1,063,455.96 and 431,038.32

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Solution

The fourth proportional to 770,590.32, 1,063,455.96 and 431,038.32 is: 594,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,590.32 : 1,063,455.96 = 431,038.32 : x
  2. Step 2: Convert to fraction form
    770,590.32/1,063,455.96 = 431,038.32/x
  3. Step 3: Cross multiply
    770,590.32x = 1,063,455.96 × 431,038.32
  4. Step 4: Simplify right side
    770,590.32x = 458,390,270,392.39
  5. Step 5: Solve for x
    x = 458,390,270,392.39/770,590.32
  6. Step 6: Final answer
    x = 594,855.99

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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.