Home / 916,748.04-1,265,088-508,848.72

Finding the Fourth Proportional to 916,748.04, 1,265,088 and 508,848.72

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Solution

The fourth proportional to 916,748.04, 1,265,088 and 508,848.72 is: 702,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,748.04 : 1,265,088 = 508,848.72 : x
  2. Step 2: Convert to fraction form
    916,748.04/1,265,088 = 508,848.72/x
  3. Step 3: Cross multiply
    916,748.04x = 1,265,088 × 508,848.72
  4. Step 4: Simplify right side
    916,748.04x = 643,738,409,487.36
  5. Step 5: Solve for x
    x = 643,738,409,487.36/916,748.04
  6. Step 6: Final answer
    x = 702,197.75

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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.