Home / 705,897.28-974,136.18-383,607.46

Finding the Fourth Proportional to 705,897.28, 974,136.18 and 383,607.46

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Solution

The fourth proportional to 705,897.28, 974,136.18 and 383,607.46 is: 529,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,897.28 : 974,136.18 = 383,607.46 : x
  2. Step 2: Convert to fraction form
    705,897.28/974,136.18 = 383,607.46/x
  3. Step 3: Cross multiply
    705,897.28x = 974,136.18 × 383,607.46
  4. Step 4: Simplify right side
    705,897.28x = 373,685,905,703.90
  5. Step 5: Solve for x
    x = 373,685,905,703.90/705,897.28
  6. Step 6: Final answer
    x = 529,377.17

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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.