Home / 649,440.32-896,228.95-362,960.40

Finding the Fourth Proportional to 649,440.32, 896,228.95 and 362,960.40

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Solution

The fourth proportional to 649,440.32, 896,228.95 and 362,960.40 is: 500,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,440.32 : 896,228.95 = 362,960.40 : x
  2. Step 2: Convert to fraction form
    649,440.32/896,228.95 = 362,960.40/x
  3. Step 3: Cross multiply
    649,440.32x = 896,228.95 × 362,960.40
  4. Step 4: Simplify right side
    649,440.32x = 325,295,617,276.18
  5. Step 5: Solve for x
    x = 325,295,617,276.18/649,440.32
  6. Step 6: Final answer
    x = 500,886.08

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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.