Home / 877,153.38-1,210,085.91-514,393.26

Finding the Fourth Proportional to 877,153.38, 1,210,085.91 and 514,393.26

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Solution

The fourth proportional to 877,153.38, 1,210,085.91 and 514,393.26 is: 709,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,153.38 : 1,210,085.91 = 514,393.26 : x
  2. Step 2: Convert to fraction form
    877,153.38/1,210,085.91 = 514,393.26/x
  3. Step 3: Cross multiply
    877,153.38x = 1,210,085.91 × 514,393.26
  4. Step 4: Simplify right side
    877,153.38x = 622,460,036,124.97
  5. Step 5: Solve for x
    x = 622,460,036,124.97/877,153.38
  6. Step 6: Final answer
    x = 709,636.48

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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.