Home / 814,841.04-1,223,461.40-455,715.51

Finding the Fourth Proportional to 814,841.04, 1,223,461.40 and 455,715.51

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Solution

The fourth proportional to 814,841.04, 1,223,461.40 and 455,715.51 is: 684,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,841.04 : 1,223,461.40 = 455,715.51 : x
  2. Step 2: Convert to fraction form
    814,841.04/1,223,461.40 = 455,715.51/x
  3. Step 3: Cross multiply
    814,841.04x = 1,223,461.40 × 455,715.51
  4. Step 4: Simplify right side
    814,841.04x = 557,550,333,587.74
  5. Step 5: Solve for x
    x = 557,550,333,587.74/814,841.04
  6. Step 6: Final answer
    x = 684,244.30

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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.