Home / 877,258.42-1,210,591.65-495,320.74

Finding the Fourth Proportional to 877,258.42, 1,210,591.65 and 495,320.74

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Solution

The fourth proportional to 877,258.42, 1,210,591.65 and 495,320.74 is: 683,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,258.42 : 1,210,591.65 = 495,320.74 : x
  2. Step 2: Convert to fraction form
    877,258.42/1,210,591.65 = 495,320.74/x
  3. Step 3: Cross multiply
    877,258.42x = 1,210,591.65 × 495,320.74
  4. Step 4: Simplify right side
    877,258.42x = 599,631,151,915.82
  5. Step 5: Solve for x
    x = 599,631,151,915.82/877,258.42
  6. Step 6: Final answer
    x = 683,528.52

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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.