Home / 705,816.45-974,024.85-383,526.56

Finding the Fourth Proportional to 705,816.45, 974,024.85 and 383,526.56

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Solution

The fourth proportional to 705,816.45, 974,024.85 and 383,526.56 is: 529,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,816.45 : 974,024.85 = 383,526.56 : x
  2. Step 2: Convert to fraction form
    705,816.45/974,024.85 = 383,526.56/x
  3. Step 3: Cross multiply
    705,816.45x = 974,024.85 × 383,526.56
  4. Step 4: Simplify right side
    705,816.45x = 373,564,402,510.08
  5. Step 5: Solve for x
    x = 373,564,402,510.08/705,816.45
  6. Step 6: Final answer
    x = 529,265.65

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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.