Home / 896,364.71-1,236,947.28-488,457.80

Finding the Fourth Proportional to 896,364.71, 1,236,947.28 and 488,457.80

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Solution

The fourth proportional to 896,364.71, 1,236,947.28 and 488,457.80 is: 674,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,364.71 : 1,236,947.28 = 488,457.80 : x
  2. Step 2: Convert to fraction form
    896,364.71/1,236,947.28 = 488,457.80/x
  3. Step 3: Cross multiply
    896,364.71x = 1,236,947.28 × 488,457.80
  4. Step 4: Simplify right side
    896,364.71x = 604,196,547,104.78
  5. Step 5: Solve for x
    x = 604,196,547,104.78/896,364.71
  6. Step 6: Final answer
    x = 674,052.14

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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.