Home / 783,681.02-1,081,491.98-439,593.32

Finding the Fourth Proportional to 783,681.02, 1,081,491.98 and 439,593.32

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Solution

The fourth proportional to 783,681.02, 1,081,491.98 and 439,593.32 is: 606,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,681.02 : 1,081,491.98 = 439,593.32 : x
  2. Step 2: Convert to fraction form
    783,681.02/1,081,491.98 = 439,593.32/x
  3. Step 3: Cross multiply
    783,681.02x = 1,081,491.98 × 439,593.32
  4. Step 4: Simplify right side
    783,681.02x = 475,416,650,547.34
  5. Step 5: Solve for x
    x = 475,416,650,547.34/783,681.02
  6. Step 6: Final answer
    x = 606,645.61

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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.