Home / 539,981.46-745,373.25-325,130.58

Finding the Fourth Proportional to 539,981.46, 745,373.25 and 325,130.58

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Solution

The fourth proportional to 539,981.46, 745,373.25 and 325,130.58 is: 448,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,981.46 : 745,373.25 = 325,130.58 : x
  2. Step 2: Convert to fraction form
    539,981.46/745,373.25 = 325,130.58/x
  3. Step 3: Cross multiply
    539,981.46x = 745,373.25 × 325,130.58
  4. Step 4: Simplify right side
    539,981.46x = 242,343,637,088.99
  5. Step 5: Solve for x
    x = 242,343,637,088.99/539,981.46
  6. Step 6: Final answer
    x = 448,799.92

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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.