Home / 815,154.09-1,124,941.59-452,583.66

Finding the Fourth Proportional to 815,154.09, 1,124,941.59 and 452,583.66

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Solution

The fourth proportional to 815,154.09, 1,124,941.59 and 452,583.66 is: 624,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,154.09 : 1,124,941.59 = 452,583.66 : x
  2. Step 2: Convert to fraction form
    815,154.09/1,124,941.59 = 452,583.66/x
  3. Step 3: Cross multiply
    815,154.09x = 1,124,941.59 × 452,583.66
  4. Step 4: Simplify right side
    815,154.09x = 509,130,182,088.42
  5. Step 5: Solve for x
    x = 509,130,182,088.42/815,154.09
  6. Step 6: Final answer
    x = 624,581.52

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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.