Home / 917,393.32-1,266,189.08-530,225.20

Finding the Fourth Proportional to 917,393.32, 1,266,189.08 and 530,225.20

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Solution

The fourth proportional to 917,393.32, 1,266,189.08 and 530,225.20 is: 731,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,393.32 : 1,266,189.08 = 530,225.20 : x
  2. Step 2: Convert to fraction form
    917,393.32/1,266,189.08 = 530,225.20/x
  3. Step 3: Cross multiply
    917,393.32x = 1,266,189.08 × 530,225.20
  4. Step 4: Simplify right side
    917,393.32x = 671,365,358,180.82
  5. Step 5: Solve for x
    x = 671,365,358,180.82/917,393.32
  6. Step 6: Final answer
    x = 731,818.45

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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.