Home / 887,601.68-1,224,795.84-525,039.20

Finding the Fourth Proportional to 887,601.68, 1,224,795.84 and 525,039.20

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Solution

The fourth proportional to 887,601.68, 1,224,795.84 and 525,039.20 is: 724,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,601.68 : 1,224,795.84 = 525,039.20 : x
  2. Step 2: Convert to fraction form
    887,601.68/1,224,795.84 = 525,039.20/x
  3. Step 3: Cross multiply
    887,601.68x = 1,224,795.84 × 525,039.20
  4. Step 4: Simplify right side
    887,601.68x = 643,065,827,996.93
  5. Step 5: Solve for x
    x = 643,065,827,996.93/887,601.68
  6. Step 6: Final answer
    x = 724,498.21

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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.