Home / 707,126.04-975,855.87-401,215.41

Finding the Fourth Proportional to 707,126.04, 975,855.87 and 401,215.41

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Solution

The fourth proportional to 707,126.04, 975,855.87 and 401,215.41 is: 553,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,126.04 : 975,855.87 = 401,215.41 : x
  2. Step 2: Convert to fraction form
    707,126.04/975,855.87 = 401,215.41/x
  3. Step 3: Cross multiply
    707,126.04x = 975,855.87 × 401,215.41
  4. Step 4: Simplify right side
    707,126.04x = 391,528,412,982.96
  5. Step 5: Solve for x
    x = 391,528,412,982.96/707,126.04
  6. Step 6: Final answer
    x = 553,689.71

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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.