Home / 652,111.30-977,838.90-385,953.40

Finding the Fourth Proportional to 652,111.30, 977,838.90 and 385,953.40

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Solution

The fourth proportional to 652,111.30, 977,838.90 and 385,953.40 is: 578,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,111.30 : 977,838.90 = 385,953.40 : x
  2. Step 2: Convert to fraction form
    652,111.30/977,838.90 = 385,953.40/x
  3. Step 3: Cross multiply
    652,111.30x = 977,838.90 × 385,953.40
  4. Step 4: Simplify right side
    652,111.30x = 377,400,248,107.26
  5. Step 5: Solve for x
    x = 377,400,248,107.26/652,111.30
  6. Step 6: Final answer
    x = 578,735.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.