Home / 545,088.98-751,443.28-383,442.35

Finding the Fourth Proportional to 545,088.98, 751,443.28 and 383,442.35

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Solution

The fourth proportional to 545,088.98, 751,443.28 and 383,442.35 is: 528,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,088.98 : 751,443.28 = 383,442.35 : x
  2. Step 2: Convert to fraction form
    545,088.98/751,443.28 = 383,442.35/x
  3. Step 3: Cross multiply
    545,088.98x = 751,443.28 × 383,442.35
  4. Step 4: Simplify right side
    545,088.98x = 288,135,172,459.09
  5. Step 5: Solve for x
    x = 288,135,172,459.09/545,088.98
  6. Step 6: Final answer
    x = 528,602.08

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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.