Home / 916,801.04-1,375,483.12-437,640.30

Finding the Fourth Proportional to 916,801.04, 1,375,483.12 and 437,640.30

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Solution

The fourth proportional to 916,801.04, 1,375,483.12 and 437,640.30 is: 656,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,801.04 : 1,375,483.12 = 437,640.30 : x
  2. Step 2: Convert to fraction form
    916,801.04/1,375,483.12 = 437,640.30/x
  3. Step 3: Cross multiply
    916,801.04x = 1,375,483.12 × 437,640.30
  4. Step 4: Simplify right side
    916,801.04x = 601,966,845,281.74
  5. Step 5: Solve for x
    x = 601,966,845,281.74/916,801.04
  6. Step 6: Final answer
    x = 656,594.85

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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.