Home / 707,038.17-975,734.63-401,127.43

Finding the Fourth Proportional to 707,038.17, 975,734.63 and 401,127.43

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Solution

The fourth proportional to 707,038.17, 975,734.63 and 401,127.43 is: 553,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,038.17 : 975,734.63 = 401,127.43 : x
  2. Step 2: Convert to fraction form
    707,038.17/975,734.63 = 401,127.43/x
  3. Step 3: Cross multiply
    707,038.17x = 975,734.63 × 401,127.43
  4. Step 4: Simplify right side
    707,038.17x = 391,393,924,493.90
  5. Step 5: Solve for x
    x = 391,393,924,493.90/707,038.17
  6. Step 6: Final answer
    x = 553,568.31

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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.