Home / 770,547.12-1,063,297.26-430,949.76

Finding the Fourth Proportional to 770,547.12, 1,063,297.26 and 430,949.76

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Solution

The fourth proportional to 770,547.12, 1,063,297.26 and 430,949.76 is: 594,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,547.12 : 1,063,297.26 = 430,949.76 : x
  2. Step 2: Convert to fraction form
    770,547.12/1,063,297.26 = 430,949.76/x
  3. Step 3: Cross multiply
    770,547.12x = 1,063,297.26 × 430,949.76
  4. Step 4: Simplify right side
    770,547.12x = 458,227,699,005.66
  5. Step 5: Solve for x
    x = 458,227,699,005.66/770,547.12
  6. Step 6: Final answer
    x = 594,678.36

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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.