Home / 945,853.60-1,416,937.20-570,762.40

Finding the Fourth Proportional to 945,853.60, 1,416,937.20 and 570,762.40

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Solution

The fourth proportional to 945,853.60, 1,416,937.20 and 570,762.40 is: 855,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,853.60 : 1,416,937.20 = 570,762.40 : x
  2. Step 2: Convert to fraction form
    945,853.60/1,416,937.20 = 570,762.40/x
  3. Step 3: Cross multiply
    945,853.60x = 1,416,937.20 × 570,762.40
  4. Step 4: Simplify right side
    945,853.60x = 808,734,476,921.28
  5. Step 5: Solve for x
    x = 808,734,476,921.28/945,853.60
  6. Step 6: Final answer
    x = 855,031.35

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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.