Home / 705,816.21-974,032.53-383,526.30

Finding the Fourth Proportional to 705,816.21, 974,032.53 and 383,526.30

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Solution

The fourth proportional to 705,816.21, 974,032.53 and 383,526.30 is: 529,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,816.21 : 974,032.53 = 383,526.30 : x
  2. Step 2: Convert to fraction form
    705,816.21/974,032.53 = 383,526.30/x
  3. Step 3: Cross multiply
    705,816.21x = 974,032.53 × 383,526.30
  4. Step 4: Simplify right side
    705,816.21x = 373,567,094,966.30
  5. Step 5: Solve for x
    x = 373,567,094,966.30/705,816.21
  6. Step 6: Final answer
    x = 529,269.65

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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.