Home / 836,820.48-1,154,784-479,055.36

Finding the Fourth Proportional to 836,820.48, 1,154,784 and 479,055.36

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Solution

The fourth proportional to 836,820.48, 1,154,784 and 479,055.36 is: 661,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,820.48 : 1,154,784 = 479,055.36 : x
  2. Step 2: Convert to fraction form
    836,820.48/1,154,784 = 479,055.36/x
  3. Step 3: Cross multiply
    836,820.48x = 1,154,784 × 479,055.36
  4. Step 4: Simplify right side
    836,820.48x = 553,205,464,842.24
  5. Step 5: Solve for x
    x = 553,205,464,842.24/836,820.48
  6. Step 6: Final answer
    x = 661,080.22

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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.