Home / 761,348.86-1,050,621.18-434,648.92

Finding the Fourth Proportional to 761,348.86, 1,050,621.18 and 434,648.92

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Solution

The fourth proportional to 761,348.86, 1,050,621.18 and 434,648.92 is: 599,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,348.86 : 1,050,621.18 = 434,648.92 : x
  2. Step 2: Convert to fraction form
    761,348.86/1,050,621.18 = 434,648.92/x
  3. Step 3: Cross multiply
    761,348.86x = 1,050,621.18 × 434,648.92
  4. Step 4: Simplify right side
    761,348.86x = 456,651,361,216.13
  5. Step 5: Solve for x
    x = 456,651,361,216.13/761,348.86
  6. Step 6: Final answer
    x = 599,792.53

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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.