Home / 895,831.20-1,236,200.40-556,292.16

Finding the Fourth Proportional to 895,831.20, 1,236,200.40 and 556,292.16

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Solution

The fourth proportional to 895,831.20, 1,236,200.40 and 556,292.16 is: 767,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,831.20 : 1,236,200.40 = 556,292.16 : x
  2. Step 2: Convert to fraction form
    895,831.20/1,236,200.40 = 556,292.16/x
  3. Step 3: Cross multiply
    895,831.20x = 1,236,200.40 × 556,292.16
  4. Step 4: Simplify right side
    895,831.20x = 687,688,590,708.86
  5. Step 5: Solve for x
    x = 687,688,590,708.86/895,831.20
  6. Step 6: Final answer
    x = 767,654.21

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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.