Home / 759,657.18-1,048,284.27-415,424.64

Finding the Fourth Proportional to 759,657.18, 1,048,284.27 and 415,424.64

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Solution

The fourth proportional to 759,657.18, 1,048,284.27 and 415,424.64 is: 573,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,657.18 : 1,048,284.27 = 415,424.64 : x
  2. Step 2: Convert to fraction form
    759,657.18/1,048,284.27 = 415,424.64/x
  3. Step 3: Cross multiply
    759,657.18x = 1,048,284.27 × 415,424.64
  4. Step 4: Simplify right side
    759,657.18x = 435,483,115,482.41
  5. Step 5: Solve for x
    x = 435,483,115,482.41/759,657.18
  6. Step 6: Final answer
    x = 573,262.69

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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.