Home / 985,030.21-1,359,283.10-571,535.07

Finding the Fourth Proportional to 985,030.21, 1,359,283.10 and 571,535.07

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Solution

The fourth proportional to 985,030.21, 1,359,283.10 and 571,535.07 is: 788,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,030.21 : 1,359,283.10 = 571,535.07 : x
  2. Step 2: Convert to fraction form
    985,030.21/1,359,283.10 = 571,535.07/x
  3. Step 3: Cross multiply
    985,030.21x = 1,359,283.10 × 571,535.07
  4. Step 4: Simplify right side
    985,030.21x = 776,877,961,708.32
  5. Step 5: Solve for x
    x = 776,877,961,708.32/985,030.21
  6. Step 6: Final answer
    x = 788,684.40

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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.