Home / 705,878.17-974,111.13-383,587.57

Finding the Fourth Proportional to 705,878.17, 974,111.13 and 383,587.57

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Solution

The fourth proportional to 705,878.17, 974,111.13 and 383,587.57 is: 529,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,878.17 : 974,111.13 = 383,587.57 : x
  2. Step 2: Convert to fraction form
    705,878.17/974,111.13 = 383,587.57/x
  3. Step 3: Cross multiply
    705,878.17x = 974,111.13 × 383,587.57
  4. Step 4: Simplify right side
    705,878.17x = 373,656,922,484.29
  5. Step 5: Solve for x
    x = 373,656,922,484.29/705,878.17
  6. Step 6: Final answer
    x = 529,350.45

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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.