Home / 705,848.61-974,070.35-383,557.94

Finding the Fourth Proportional to 705,848.61, 974,070.35 and 383,557.94

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Solution

The fourth proportional to 705,848.61, 974,070.35 and 383,557.94 is: 529,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,848.61 : 974,070.35 = 383,557.94 : x
  2. Step 2: Convert to fraction form
    705,848.61/974,070.35 = 383,557.94/x
  3. Step 3: Cross multiply
    705,848.61x = 974,070.35 × 383,557.94
  4. Step 4: Simplify right side
    705,848.61x = 373,612,418,816.81
  5. Step 5: Solve for x
    x = 373,612,418,816.81/705,848.61
  6. Step 6: Final answer
    x = 529,309.56

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Double scale
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1.5x scale

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.