Home / 705,748.17-972,151.65-569,400.57

Finding the Fourth Proportional to 705,748.17, 972,151.65 and 569,400.57

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Solution

The fourth proportional to 705,748.17, 972,151.65 and 569,400.57 is: 784,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,748.17 : 972,151.65 = 569,400.57 : x
  2. Step 2: Convert to fraction form
    705,748.17/972,151.65 = 569,400.57/x
  3. Step 3: Cross multiply
    705,748.17x = 972,151.65 × 569,400.57
  4. Step 4: Simplify right side
    705,748.17x = 553,543,703,636.44
  5. Step 5: Solve for x
    x = 553,543,703,636.44/705,748.17
  6. Step 6: Final answer
    x = 784,336.01

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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.