Home / 877,886.72-1,211,582.14-495,938.10

Finding the Fourth Proportional to 877,886.72, 1,211,582.14 and 495,938.10

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Solution

The fourth proportional to 877,886.72, 1,211,582.14 and 495,938.10 is: 684,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,886.72 : 1,211,582.14 = 495,938.10 : x
  2. Step 2: Convert to fraction form
    877,886.72/1,211,582.14 = 495,938.10/x
  3. Step 3: Cross multiply
    877,886.72x = 1,211,582.14 × 495,938.10
  4. Step 4: Simplify right side
    877,886.72x = 600,869,747,809.12
  5. Step 5: Solve for x
    x = 600,869,747,809.12/877,886.72
  6. Step 6: Final answer
    x = 684,450.21

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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.