Home / 838,585.13-1,157,266.47-475,975.07

Finding the Fourth Proportional to 838,585.13, 1,157,266.47 and 475,975.07

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Solution

The fourth proportional to 838,585.13, 1,157,266.47 and 475,975.07 is: 656,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,585.13 : 1,157,266.47 = 475,975.07 : x
  2. Step 2: Convert to fraction form
    838,585.13/1,157,266.47 = 475,975.07/x
  3. Step 3: Cross multiply
    838,585.13x = 1,157,266.47 × 475,975.07
  4. Step 4: Simplify right side
    838,585.13x = 550,829,983,280.57
  5. Step 5: Solve for x
    x = 550,829,983,280.57/838,585.13
  6. Step 6: Final answer
    x = 656,856.37

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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.