Home / 816,136.32-1,125,081.10-570,358

Finding the Fourth Proportional to 816,136.32, 1,125,081.10 and 570,358

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Solution

The fourth proportional to 816,136.32, 1,125,081.10 and 570,358 is: 786,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,136.32 : 1,125,081.10 = 570,358 : x
  2. Step 2: Convert to fraction form
    816,136.32/1,125,081.10 = 570,358/x
  3. Step 3: Cross multiply
    816,136.32x = 1,125,081.10 × 570,358
  4. Step 4: Simplify right side
    816,136.32x = 641,699,006,033.80
  5. Step 5: Solve for x
    x = 641,699,006,033.80/816,136.32
  6. Step 6: Final answer
    x = 786,264.49

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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.