Home / 977,060.16-1,348,749.60-671,574.72

Finding the Fourth Proportional to 977,060.16, 1,348,749.60 and 671,574.72

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Solution

The fourth proportional to 977,060.16, 1,348,749.60 and 671,574.72 is: 927,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,060.16 : 1,348,749.60 = 671,574.72 : x
  2. Step 2: Convert to fraction form
    977,060.16/1,348,749.60 = 671,574.72/x
  3. Step 3: Cross multiply
    977,060.16x = 1,348,749.60 × 671,574.72
  4. Step 4: Simplify right side
    977,060.16x = 905,786,134,970.11
  5. Step 5: Solve for x
    x = 905,786,134,970.11/977,060.16
  6. Step 6: Final answer
    x = 927,052.57

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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.