Home / 877,886.78-1,211,582.07-495,938.16

Finding the Fourth Proportional to 877,886.78, 1,211,582.07 and 495,938.16

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Solution

The fourth proportional to 877,886.78, 1,211,582.07 and 495,938.16 is: 684,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,886.78 : 1,211,582.07 = 495,938.16 : x
  2. Step 2: Convert to fraction form
    877,886.78/1,211,582.07 = 495,938.16/x
  3. Step 3: Cross multiply
    877,886.78x = 1,211,582.07 × 495,938.16
  4. Step 4: Simplify right side
    877,886.78x = 600,869,782,484.79
  5. Step 5: Solve for x
    x = 600,869,782,484.79/877,886.78
  6. Step 6: Final answer
    x = 684,450.20

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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.