Home / 877,257.65-1,210,720.43-533,149.63

Finding the Fourth Proportional to 877,257.65, 1,210,720.43 and 533,149.63

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Solution

The fourth proportional to 877,257.65, 1,210,720.43 and 533,149.63 is: 735,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,257.65 : 1,210,720.43 = 533,149.63 : x
  2. Step 2: Convert to fraction form
    877,257.65/1,210,720.43 = 533,149.63/x
  3. Step 3: Cross multiply
    877,257.65x = 1,210,720.43 × 533,149.63
  4. Step 4: Simplify right side
    877,257.65x = 645,495,140,568.59
  5. Step 5: Solve for x
    x = 645,495,140,568.59/877,257.65
  6. Step 6: Final answer
    x = 735,810.22

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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.