Home / 879,229.40-1,316,219.70-524,060.60

Finding the Fourth Proportional to 879,229.40, 1,316,219.70 and 524,060.60

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Solution

The fourth proportional to 879,229.40, 1,316,219.70 and 524,060.60 is: 784,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,229.40 : 1,316,219.70 = 524,060.60 : x
  2. Step 2: Convert to fraction form
    879,229.40/1,316,219.70 = 524,060.60/x
  3. Step 3: Cross multiply
    879,229.40x = 1,316,219.70 × 524,060.60
  4. Step 4: Simplify right side
    879,229.40x = 689,778,885,713.82
  5. Step 5: Solve for x
    x = 689,778,885,713.82/879,229.40
  6. Step 6: Final answer
    x = 784,526.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.