Home / 707,047.84-975,746.38-384,778.36

Finding the Fourth Proportional to 707,047.84, 975,746.38 and 384,778.36

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Solution

The fourth proportional to 707,047.84, 975,746.38 and 384,778.36 is: 531,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,047.84 : 975,746.38 = 384,778.36 : x
  2. Step 2: Convert to fraction form
    707,047.84/975,746.38 = 384,778.36/x
  3. Step 3: Cross multiply
    707,047.84x = 975,746.38 × 384,778.36
  4. Step 4: Simplify right side
    707,047.84x = 375,446,093,349.76
  5. Step 5: Solve for x
    x = 375,446,093,349.76/707,047.84
  6. Step 6: Final answer
    x = 531,005.22

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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.