Home / 1,101,623.84-1,520,117.52-618,088.40

Finding the Fourth Proportional to 1,101,623.84, 1,520,117.52 and 618,088.40

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Solution

The fourth proportional to 1,101,623.84, 1,520,117.52 and 618,088.40 is: 852,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,623.84 : 1,520,117.52 = 618,088.40 : x
  2. Step 2: Convert to fraction form
    1,101,623.84/1,520,117.52 = 618,088.40/x
  3. Step 3: Cross multiply
    1,101,623.84x = 1,520,117.52 × 618,088.40
  4. Step 4: Simplify right side
    1,101,623.84x = 939,567,005,748.77
  5. Step 5: Solve for x
    x = 939,567,005,748.77/1,101,623.84
  6. Step 6: Final answer
    x = 852,892.77

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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.