Home / 975,307.74-1,346,036.31-545,696.70

Finding the Fourth Proportional to 975,307.74, 1,346,036.31 and 545,696.70

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Solution

The fourth proportional to 975,307.74, 1,346,036.31 and 545,696.70 is: 753,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,307.74 : 1,346,036.31 = 545,696.70 : x
  2. Step 2: Convert to fraction form
    975,307.74/1,346,036.31 = 545,696.70/x
  3. Step 3: Cross multiply
    975,307.74x = 1,346,036.31 × 545,696.70
  4. Step 4: Simplify right side
    975,307.74x = 734,527,572,447.18
  5. Step 5: Solve for x
    x = 734,527,572,447.18/975,307.74
  6. Step 6: Final answer
    x = 753,123.90

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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.