Home / 877,436.08-1,210,886.63-495,520.27

Finding the Fourth Proportional to 877,436.08, 1,210,886.63 and 495,520.27

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Solution

The fourth proportional to 877,436.08, 1,210,886.63 and 495,520.27 is: 683,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,436.08 : 1,210,886.63 = 495,520.27 : x
  2. Step 2: Convert to fraction form
    877,436.08/1,210,886.63 = 495,520.27/x
  3. Step 3: Cross multiply
    877,436.08x = 1,210,886.63 × 495,520.27
  4. Step 4: Simplify right side
    877,436.08x = 600,018,869,836.99
  5. Step 5: Solve for x
    x = 600,018,869,836.99/877,436.08
  6. Step 6: Final answer
    x = 683,832.00

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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.