Home / 374,444.40-561,666.60-315,176.70

Finding the Fourth Proportional to 374,444.40, 561,666.60 and 315,176.70

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Solution

The fourth proportional to 374,444.40, 561,666.60 and 315,176.70 is: 472,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,444.40 : 561,666.60 = 315,176.70 : x
  2. Step 2: Convert to fraction form
    374,444.40/561,666.60 = 315,176.70/x
  3. Step 3: Cross multiply
    374,444.40x = 561,666.60 × 315,176.70
  4. Step 4: Simplify right side
    374,444.40x = 177,024,225,488.22
  5. Step 5: Solve for x
    x = 177,024,225,488.22/374,444.40
  6. Step 6: Final answer
    x = 472,765.05

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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.