Home / 877,074.18-1,210,282.16-514,431.30

Finding the Fourth Proportional to 877,074.18, 1,210,282.16 and 514,431.30

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Solution

The fourth proportional to 877,074.18, 1,210,282.16 and 514,431.30 is: 709,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,074.18 : 1,210,282.16 = 514,431.30 : x
  2. Step 2: Convert to fraction form
    877,074.18/1,210,282.16 = 514,431.30/x
  3. Step 3: Cross multiply
    877,074.18x = 1,210,282.16 × 514,431.30
  4. Step 4: Simplify right side
    877,074.18x = 622,607,026,902.01
  5. Step 5: Solve for x
    x = 622,607,026,902.01/877,074.18
  6. Step 6: Final answer
    x = 709,868.15

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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.