Home / 935,876.16-1,291,509.06-506,156.28

Finding the Fourth Proportional to 935,876.16, 1,291,509.06 and 506,156.28

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Solution

The fourth proportional to 935,876.16, 1,291,509.06 and 506,156.28 is: 698,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,876.16 : 1,291,509.06 = 506,156.28 : x
  2. Step 2: Convert to fraction form
    935,876.16/1,291,509.06 = 506,156.28/x
  3. Step 3: Cross multiply
    935,876.16x = 1,291,509.06 × 506,156.28
  4. Step 4: Simplify right side
    935,876.16x = 653,705,421,395.90
  5. Step 5: Solve for x
    x = 653,705,421,395.90/935,876.16
  6. Step 6: Final answer
    x = 698,495.64

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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.