Home / 877,220.64-1,210,588.08-532,939.36

Finding the Fourth Proportional to 877,220.64, 1,210,588.08 and 532,939.36

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Solution

The fourth proportional to 877,220.64, 1,210,588.08 and 532,939.36 is: 735,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,220.64 : 1,210,588.08 = 532,939.36 : x
  2. Step 2: Convert to fraction form
    877,220.64/1,210,588.08 = 532,939.36/x
  3. Step 3: Cross multiply
    877,220.64x = 1,210,588.08 × 532,939.36
  4. Step 4: Simplify right side
    877,220.64x = 645,170,036,578.83
  5. Step 5: Solve for x
    x = 645,170,036,578.83/877,220.64
  6. Step 6: Final answer
    x = 735,470.65

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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.