Home / 707,015-975,519.06-401,018.24

Finding the Fourth Proportional to 707,015, 975,519.06 and 401,018.24

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Solution

The fourth proportional to 707,015, 975,519.06 and 401,018.24 is: 553,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,015 : 975,519.06 = 401,018.24 : x
  2. Step 2: Convert to fraction form
    707,015/975,519.06 = 401,018.24/x
  3. Step 3: Cross multiply
    707,015x = 975,519.06 × 401,018.24
  4. Step 4: Simplify right side
    707,015x = 391,200,936,527.65
  5. Step 5: Solve for x
    x = 391,200,936,527.65/707,015
  6. Step 6: Final answer
    x = 553,313.49

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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.