Home / 877,514.40-1,316,271.60-345,052.80

Finding the Fourth Proportional to 877,514.40, 1,316,271.60 and 345,052.80

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Solution

The fourth proportional to 877,514.40, 1,316,271.60 and 345,052.80 is: 517,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,514.40 : 1,316,271.60 = 345,052.80 : x
  2. Step 2: Convert to fraction form
    877,514.40/1,316,271.60 = 345,052.80/x
  3. Step 3: Cross multiply
    877,514.40x = 1,316,271.60 × 345,052.80
  4. Step 4: Simplify right side
    877,514.40x = 454,183,201,140.48
  5. Step 5: Solve for x
    x = 454,183,201,140.48/877,514.40
  6. Step 6: Final answer
    x = 517,579.20

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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.