Home / 852,617.10-1,176,332.17-607,640.45

Finding the Fourth Proportional to 852,617.10, 1,176,332.17 and 607,640.45

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Solution

The fourth proportional to 852,617.10, 1,176,332.17 and 607,640.45 is: 838,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,617.10 : 1,176,332.17 = 607,640.45 : x
  2. Step 2: Convert to fraction form
    852,617.10/1,176,332.17 = 607,640.45/x
  3. Step 3: Cross multiply
    852,617.10x = 1,176,332.17 × 607,640.45
  4. Step 4: Simplify right side
    852,617.10x = 714,787,009,483.71
  5. Step 5: Solve for x
    x = 714,787,009,483.71/852,617.10
  6. Step 6: Final answer
    x = 838,344.68

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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.