Home / 916,423.74-1,264,671.81-508,527.18

Finding the Fourth Proportional to 916,423.74, 1,264,671.81 and 508,527.18

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Solution

The fourth proportional to 916,423.74, 1,264,671.81 and 508,527.18 is: 701,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,423.74 : 1,264,671.81 = 508,527.18 : x
  2. Step 2: Convert to fraction form
    916,423.74/1,264,671.81 = 508,527.18/x
  3. Step 3: Cross multiply
    916,423.74x = 1,264,671.81 × 508,527.18
  4. Step 4: Simplify right side
    916,423.74x = 643,119,989,164.80
  5. Step 5: Solve for x
    x = 643,119,989,164.80/916,423.74
  6. Step 6: Final answer
    x = 701,771.42

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Double scale
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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.