Home / 830,433.36-1,145,998.02-448,460.10

Finding the Fourth Proportional to 830,433.36, 1,145,998.02 and 448,460.10

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Solution

The fourth proportional to 830,433.36, 1,145,998.02 and 448,460.10 is: 618,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,433.36 : 1,145,998.02 = 448,460.10 : x
  2. Step 2: Convert to fraction form
    830,433.36/1,145,998.02 = 448,460.10/x
  3. Step 3: Cross multiply
    830,433.36x = 1,145,998.02 × 448,460.10
  4. Step 4: Simplify right side
    830,433.36x = 513,934,386,649.00
  5. Step 5: Solve for x
    x = 513,934,386,649.00/830,433.36
  6. Step 6: Final answer
    x = 618,874.93

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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.