Home / 1,078,160.02-1,488,339.06-696,373

Finding the Fourth Proportional to 1,078,160.02, 1,488,339.06 and 696,373

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Solution

The fourth proportional to 1,078,160.02, 1,488,339.06 and 696,373 is: 961,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,160.02 : 1,488,339.06 = 696,373 : x
  2. Step 2: Convert to fraction form
    1,078,160.02/1,488,339.06 = 696,373/x
  3. Step 3: Cross multiply
    1,078,160.02x = 1,488,339.06 × 696,373
  4. Step 4: Simplify right side
    1,078,160.02x = 1,036,439,136,229.38
  5. Step 5: Solve for x
    x = 1,036,439,136,229.38/1,078,160.02
  6. Step 6: Final answer
    x = 961,303.63

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Double scale
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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.