Home / 830,510.44-1,146,103.98-448,537.24

Finding the Fourth Proportional to 830,510.44, 1,146,103.98 and 448,537.24

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Solution

The fourth proportional to 830,510.44, 1,146,103.98 and 448,537.24 is: 618,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,510.44 : 1,146,103.98 = 448,537.24 : x
  2. Step 2: Convert to fraction form
    830,510.44/1,146,103.98 = 448,537.24/x
  3. Step 3: Cross multiply
    830,510.44x = 1,146,103.98 × 448,537.24
  4. Step 4: Simplify right side
    830,510.44x = 514,070,315,942.22
  5. Step 5: Solve for x
    x = 514,070,315,942.22/830,510.44
  6. Step 6: Final answer
    x = 618,981.16

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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.