Home / 864,192.63-1,192,407.78-496,598.70

Finding the Fourth Proportional to 864,192.63, 1,192,407.78 and 496,598.70

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Solution

The fourth proportional to 864,192.63, 1,192,407.78 and 496,598.70 is: 685,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,192.63 : 1,192,407.78 = 496,598.70 : x
  2. Step 2: Convert to fraction form
    864,192.63/1,192,407.78 = 496,598.70/x
  3. Step 3: Cross multiply
    864,192.63x = 1,192,407.78 × 496,598.70
  4. Step 4: Simplify right side
    864,192.63x = 592,148,153,417.89
  5. Step 5: Solve for x
    x = 592,148,153,417.89/864,192.63
  6. Step 6: Final answer
    x = 685,203.89

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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.