Home / 634,880.04-876,159.72-348,410.36

Finding the Fourth Proportional to 634,880.04, 876,159.72 and 348,410.36

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Solution

The fourth proportional to 634,880.04, 876,159.72 and 348,410.36 is: 480,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,880.04 : 876,159.72 = 348,410.36 : x
  2. Step 2: Convert to fraction form
    634,880.04/876,159.72 = 348,410.36/x
  3. Step 3: Cross multiply
    634,880.04x = 876,159.72 × 348,410.36
  4. Step 4: Simplify right side
    634,880.04x = 305,263,123,462.70
  5. Step 5: Solve for x
    x = 305,263,123,462.70/634,880.04
  6. Step 6: Final answer
    x = 480,820.16

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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.