Home / 778,750.11-1,074,673.02-434,582.46

Finding the Fourth Proportional to 778,750.11, 1,074,673.02 and 434,582.46

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Solution

The fourth proportional to 778,750.11, 1,074,673.02 and 434,582.46 is: 599,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,750.11 : 1,074,673.02 = 434,582.46 : x
  2. Step 2: Convert to fraction form
    778,750.11/1,074,673.02 = 434,582.46/x
  3. Step 3: Cross multiply
    778,750.11x = 1,074,673.02 × 434,582.46
  4. Step 4: Simplify right side
    778,750.11x = 467,034,044,727.23
  5. Step 5: Solve for x
    x = 467,034,044,727.23/778,750.11
  6. Step 6: Final answer
    x = 599,722.61

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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.